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Szkolenie z umiejętności komunikacji dla specjalistów z zakresu zdrowia psychicznego, pracujących z chorymi na ciężką chorobę psychiczną

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Referencias

References to studies included in this review

McCabe 2016 {published and unpublished data}

McCabe R, John P, Dooley J, Healey P, Cushing A, Kingdon D, et al. Training to enhance psychiatrist communication with patients with psychosis (TEMPO): cluster randomised controlled trial. British Journal of Psychiatry2016; Vol. 209, issue 6:517‐24. CENTRAL

References to studies excluded from this review

Lester 2006 {published data only}

Lester HE, Birchwood M, Tait L, Freemantle N. Redirect: evaluating the effectiveness of an educational intervention about first episode psychosis in primary care. Schizophrenia Research 2006;86(Suppl 1):S39‐40. CENTRAL

Mooney 1984 {published data only}

Mooney K. The impact of interviewer style in initial interviews with schizophrenic patients an analysis of warmth and structure. PhD dissertation submitted to Duke University1984:104. CENTRAL

Steinwachs 2011 {published data only}

Steinwachs DM, Roter DL, Skinner EA, Lehman AF, Fahey M, Cullen B, et al. A web‐based program to empower patients who have schizophrenia to discuss quality of care with mental health providers. Psychiatric Services 2011;62(11):1296‐302. [MEDLINE: 22211208]CENTRAL

Sturm 1974 {published data only}

Sturm IE, Stuart BR. Effects of remotivation and role re training on inpatient interview presentableness. Newsletter for Research in Mental Health and Behavioral Sciences 1974;16(1):15‐9. CENTRAL

Altman 1996

Altman DG, Bland JM. Detecting skewness from summary information. BMJ 1996;313(7066):1200.

Bland 1997

Bland JM, Kerry SM. Statistics notes. Trials randomised in clusters. BMJ 1997;315(7108):600.

Boissel 1999

Boissel JP, Cucherat M, Li W, Chatellier G, Gueyffier F, Buyse M, et al. The problem of therapeutic efficacy indices. 3. Comparison of the indices and their use [Apercu sur la problematique des indices d'efficacite therapeutique, 3: comparaison des indices et utilisation. groupe d'etude des Indices d'efficacite]. Therapie 1999;54(4):405‐11. [PUBMED: 10667106]

Cole 2000

Cole SA, Bird J. The Medical Interview: The Three‐function Approach. Missuri, USA: Mosby Inc, 2000.

Deeks 2000

Deeks J. Issues in the selection for meta‐analyses of binary data. Proceedings of the 8th International Cochrane Colloquium; 2000 Oct 25‐28; Cape town. Cape Town: The Cochrane Collaboration, 2000.

Deeks 2011

Deeks JJ, Higgins JPT, Altman DG (editors). Chapter 9: Analysing data and undertaking meta‐analyses. In: Higgins JPT, Green S (editors). Cochrane Handbook for Systematic Reviews of Interventions Version 5.1.0 (updated March 2011). The Cochrane Collaboration, 2011. Available from www.handbook.cochrane.org.

Divine 1992

Divine GW, Brown JT, Frazier LM. The unit of analysis error in studies about physicians' patient care behavior. Journal of General Internal Medicine 1992;7(6):623‐9.

Donner 2002

Donner A, Klar N. Issues in the meta‐analysis of cluster randomized trials. Statistics in Medicine 2002;21(19):2971‐80.

Dwamena 2012

Dwamena F, Holmes‐Rovner M, Gaulden CM, Jorgenson S, Sadigh G, Sikorskii A, et al. Interventions for providers to promote a patient‐centred approach in clinical consultations. Cochrane Database of Systematic Reviews 2012, Issue 12. [DOI: 10.1002/14651858.CD003267.pub2]

Egger 1997

Egger M, Davey SG, Schneider M, Minder C. Bias in meta‐analysis detected by a simple, graphical test. BMJ 1997;315(7109):629‐34.

Gulliford 1999

Gulliford MC, Ukoumunne OC, Chinn S. Components of variance and intraclass correlations for the design of community‐based surveys and intervention studies: data from the Health Survey for England 1994. American Journal of Epidemiology 1999;149(9):876‐83.

Harris 1998

Harris EC, Barraclough B. Excess mortality of mental disorder. British Journal of Psychiatry 1998;173:11‐53.

Hassan 2007

Hassan I, McCabe R, Priebe S. Professional‐patient communication in the treatment of mental illness: A review. Communication and Medicine 2007;4(2):141‐52.

Higgins 2003

Higgins JP, Thompson SG, Deeks JJ, Altman DG. Measuring inconsistency in meta‐analyses. BMJ 2003;327(7414):557‐60.

Higgins 2011

Higgins JPT, Green S (editors). Chapter 7: Selecting studies and collecting data. In: Higgins JPT, Green S (editors), Cochrane Handbook for Systematic Reviews of Interventions Version 5.1.0 (updated March 2011). The Cochrane Collaboration, 2011. Available from www.handbook.cochrane.org.

Higgins 2011a

Higgins JPT, Altman DG, Sterne JAC (editors). Chapter 8: Assessing risk of bias in included studies. In: Higgins JPT, Green S (editors). Cochrane Handbook for Systematic Reviews of Interventions Version 5.1.0 (updated March 2011). The Cochrane Collaboration, 2011. Available from www.handbook.cochrane.org.

Julius 2009

Julius RJ, Novitsky MA, Dubin WR. Medication adherence: a review of the literature and implications for clinical practice. Journal of Psychiatric Practice 2009;15:34‐44.

Kay 1986

Kay SR, Opler LA, Fiszbein A. Positive and Negative Syndrome Scale (PANSS) Manual. North Tonawanda, NY: Multi‐Health Systems, 1986.

Kay 1987

Kay SR, Fisbein A, Opler LA. The positive and negative syndrome scale (PANSS) for Schizophrenia. Schizophrenia Bulletin 1987;13(2):261‐76.

Kemp 1996

Kemp R, Hayward P, Applewhaite G, Everitt B, David A. Compliance therapy in psychotic patients: randomised controlled trial. BMJ 1996;312:345‐9.

Kinoshita 2010

Kinoshita Y, Furukawa TA, Omori IM, Watanabe N, Marshall M, Bond GR, et al. Supported employment for adults with severe mental illness. Cochrane Database of Systematic Reviews 2010, Issue 1. [DOI: 10.1002/14651858.CD008297]

Kurtz 2005

Kurtz S, Silverman J, Draper J. Teaching and Learning Communication Skills in Medicine. 2nd Edition. Oxford: Radcliffe Publishing, 2005.

Leucht 2005

Leucht S, Kane JM, Kissling W, Hamann J, Etschel E, Engel R. Clinical implications of brief psychiatric rating scale scores. British Journal of Psychiatry 2005;187:366‐71. [PUBMED: 16199797]

Leucht 2005a

Leucht S, Kane JM, Kissling W, Hamann J, Etschel E, Engel RR. What does the PANSS mean?. Schizophrenia Research 2005;79(2‐3):231‐8. [PUBMED: 15982856]

Lewin 2001

Lewin SA, Skea ZC, Entwistle V, Zwarenstein M, Dick J. Interventions for providers to promote a patient‐centred approach in clinical consultations. Cochrane Database of Systematic Reviews 2001, Issue 4. [DOI: 10.1002/14651858.CD003267]

Marshall 2000

Marshall M, Lockwood A, Bradley C, Adams C, Joy C, Fenton M. Unpublished rating scales: a major source of bias in randomised controlled trials of treatments for schizophrenia. British Journal of Psychiatry 2000;176:249‐52.

McCabe 2002

McCabe R, Heath C, Burns T, Priebe S. Engagement of patients with psychosis in the medical consultation: a conversation analytic study. BMJ 2002;325:1148‐51.

McGuire‐Snieckus 2007

McGuire‐Snieckus R, McCabe R, Catty J, Hansson L, Priebe S. A new scale to assess the therapeutic relationship in community mental health care: STAR. Psychological Medicine 2007;6:299‐314.

Murray 1996

Murray C, Lopez A. The Global Burden of Disease. Harvard CT: Harvard University Press, 1996.

Nguyen 1983

Nguyen TD, Attkisson CC, Stegner BL. Assessment of patient satisfaction: development and refinement of a service evaluation questionnaire. Evaluation and Program Planning 1983;6:299‐314.

Overall 1962

Overall JE, Gorham DR. The brief psychiatric rating scale. Psychological Reports 1962;10:799‐12.

Oxman 1992

Oxman AD, Guyatt GH. A consumer's guide to subgroup analyses. Annals of Internal Medicine 1992;116(1):78‐84.

Poole 2006

Poole R, Higgo R. Psychiatric Interviewing and Assessment. Cambridge: Cambridge University Press, 2006.

Priebe 2005

Priebe S, Watts J, Chase M, Matanov A. Processes of disengagement and engagement in assertive outreach patients: qualitative study. British Journal of Psychiatry 2005;187:438‐43.

Raj 2005

Raj M, Farooq S. Interventions for obsessive compulsive symptoms in people with schizophrenia. Cochrane Database of Systematic Reviews 2005, Issue 2. [DOI: 10.1002/14651858.CD005236]

Schünemann 2011

Schünemann HJ, Oxman AD, Vist GE, Higgins JPT, Deeks JJ, Glasziou P, et al. Chapter 12: Interpreting results and drawing conclusions. In Higgins JPT, Green S (editors), Cochrane Handbook for Systematic Reviews of Interventions Version 5.1.0 (updated March 2011). The Cochrane Collaboration, 2011. Available from www.cochrane‐handbook.org.

Silverman 2005

Silverman J, Kurtz S, Draper J. Skills for Communicating with Patients. 2nd Edition. Abingdon: Radcliffe Medical Press, 2005.

Ukoumunne 1999

Ukoumunne OC, Gulliford MC, Chinn S, Sterne JA, Burney PG. Methods for evaluating area‐wide and organisation‐based interventions in health and health care: a systematic review. Health Technology Assessment1999; Vol. 3, issue 5:iii‐92.

Xia 2009

Xia J, Adams CE, Bhagat N, Bhagat V, Bhoopathi P, El‐Sayeh H, et al. Loss to outcomes stakeholder survey: the LOSS study. Psychiatric Bulletin 2009;33(7):254‐7.

References to other published versions of this review

Papageorgiou 2012

Papageorgiou A, Loke Y, Deane KHO, Fromage M. Communication skills training for mental health professionals working with people with severe mental illness. Cochrane Database of Systematic Reviews 2012, Issue 8. [DOI: 10.1002/14651858.CD010006]

Characteristics of studies

Characteristics of included studies [ordered by study ID]

McCabe 2016

Methods

Allocation: random, cluster.
Blindness: single.
Duration: 5 months (152 days).

Setting: outpatient ‐ university‐affiliated, state‐supported, outpatient psychiatric clinic in an urban area (East London, UK). Study sites were the East London NHS Foundation Trust and North East London NHS Foundation Trust.

Participants

Practitioners

Higher or advanced trainees working in outpatient or community settings.
N = 21.
Age = mean ˜ 43 years.
Sex: 15M, 11F.

Patients

Diagnosis: ICD‐10 criteria for a diagnosis of schizoaffective disorder or schizophrenia.

N = 97.
Age: mean ˜ 43 years.

Sex: 66 M, 31F.

Exclusions: patients who had organic impairment or required an interpreter.

Interventions

1. Communication skills training: A training programme:, comprised of 4 training sessions of 4 hours each, at weekly intervals to small groups of psychiatrists, followed by two refresher sessions (one at 8 weeks and the other at 12 weeks). During the training sessions, the psychiatrist and the patient were video‐recorded during the consultation; the researchers then provided feedback. N = 10 (psychiatrists), N = 47 (patients).

2. No specific communication skills training: N = 11 (psychiatrists), N = 50 (patients)

Outcomes

Mental state: endpoint score PANSS (positive, negative, and general symptoms)

Patient satisfaction: with treatment‐ endpoint (CSQ‐8), with therapeutic relationship ‐ endpoint score (STAR‐P)

Leaving the study early
Unable to use
Self‐repair frequency: STAR ‐ psychiatrist (data on psychiatrist's satisfaction with the educational intervention was reported only for one arm of the trial, and we were unable to conduct a comparative analysis).

Notes

Risk of bias

Bias

Authors' judgement

Support for judgement

Random sequence generation (selection bias)

Low risk

Computer‐generated allocation: sequence generated in Excel with the RAND function.

Allocation concealment (selection bias)

High risk

The trial report states "There was no allocation concealment".

Blinding of participants and personnel (performance bias)
All outcomes

Unclear risk

Participants were blinded for primary and secondary outcomes as they did not know whether the psychiatrists had undergone communication skills training or not. It was not possible to blind the psychiatrists involved in the study.

Blinding of outcome assessment (detection bias)
All outcomes

Unclear risk

Blinding of outcome assessors: primary outcome, self‐repair, was masked but for the secondary outcome, the therapeutic relationship, it was not possible to mask

Incomplete outcome data (attrition bias)
All outcomes

High risk

Only 64/97 patients were followed up as 33 had left the trial early.

Selective reporting (reporting bias)

Low risk

We contacted the investigators and obtained data on all the outcomes that were relevant to our review, even if the data had not been reported in the published version. We also received additional data on outcomes that were pre‐specified by the investigators, but not of relevance to our review.

Other bias

Unclear risk

Originally. the trial planned to have a further follow‐up point six months later, but this could not be carried out as psychiatrists had rotated away to different posts.The extent to which this could have biased the results is unclear.

CSQ ‐ 8: Client Satisfaction Questionnaire
ICD 10: International Classification of Diseases 10th revision
N = number
PANSS: Positive and Negative Symptom Scale
STAR ‐ P: Scale To Assess the Therapeutic Relationship in community mental health care

Characteristics of excluded studies [ordered by study ID]

Study

Reason for exclusion

Lester 2006

Allocation; randomised
Participants:General Practitioners (GPs)

Intervention: not directed at communication skills of healthcare professionals. The aim was to train general practitioners in detecting first episode of psychosis.

Mooney 1984

Allocation: unclear

Participants: people with schizophrenia

Intervention: not reported.

Steinwachs 2011

Allocation; randomised

Participants: people with schizophrenia

Intervention: Interactive Web‐based intervention featuring actors simulating a patient discussing treatment concerns. The study was not directed at healthcare professionals, but was aimed at training patients to raise concerns during consultations

Sturm 1974

Allocation: randomised

Participants: people with schizophrenia

Intervention: Psychodrama‐based Role Re‐Training. The study was not directed at healthcare professionals but at "regressed schizophrenic inpatients" with the aim to improve their "interpersonal presentableness."

Data and analyses

Open in table viewer
Comparison 1. Communication skills training versus no specific training

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Patient satisfaction: 1. Satisfaction with treatment: average endpoint score (CSQ‐8, high = good, medium term) Show forest plot

1

Mean Difference (Fixed, 95% CI)

1.77 [‐0.13, 3.68]

Analysis 1.1

Comparison 1 Communication skills training versus no specific training, Outcome 1 Patient satisfaction: 1. Satisfaction with treatment: average endpoint score (CSQ‐8, high = good, medium term).

Comparison 1 Communication skills training versus no specific training, Outcome 1 Patient satisfaction: 1. Satisfaction with treatment: average endpoint score (CSQ‐8, high = good, medium term).

2 Patient satisfaction: 2. Satisfaction with therapeutic relationship: average endpoint score (STAR‐P, high = good, medium term) Show forest plot

1

Mean Difference (Fixed, 95% CI)

0.21 [0.01, 0.41]

Analysis 1.2

Comparison 1 Communication skills training versus no specific training, Outcome 2 Patient satisfaction: 2. Satisfaction with therapeutic relationship: average endpoint score (STAR‐P, high = good, medium term).

Comparison 1 Communication skills training versus no specific training, Outcome 2 Patient satisfaction: 2. Satisfaction with therapeutic relationship: average endpoint score (STAR‐P, high = good, medium term).

3 Mental state: 1. General Symptom: Average endpoint score (PANSS General, high = poor, medium term) Show forest plot

1

Mean Difference (Fixed, 95% CI)

4.48 [‐2.10, 11.06]

Analysis 1.3

Comparison 1 Communication skills training versus no specific training, Outcome 3 Mental state: 1. General Symptom: Average endpoint score (PANSS General, high = poor, medium term).

Comparison 1 Communication skills training versus no specific training, Outcome 3 Mental state: 1. General Symptom: Average endpoint score (PANSS General, high = poor, medium term).

4 Mental state: 2. Positive Symptom; Average endpoint score (PANSS Positive, high = poor, medium term) Show forest plot

1

Mean Difference (Fixed, 95% CI)

‐0.23 [‐2.91, 2.45]

Analysis 1.4

Comparison 1 Communication skills training versus no specific training, Outcome 4 Mental state: 2. Positive Symptom; Average endpoint score (PANSS Positive, high = poor, medium term).

Comparison 1 Communication skills training versus no specific training, Outcome 4 Mental state: 2. Positive Symptom; Average endpoint score (PANSS Positive, high = poor, medium term).

5 Mental state: 3. Negative Symptom: Average endpoint score (PANSS Negative, high = poor, medium term) Show forest plot

1

Mean Difference (Fixed, 95% CI)

3.42 [‐0.24, 7.09]

Analysis 1.5

Comparison 1 Communication skills training versus no specific training, Outcome 5 Mental state: 3. Negative Symptom: Average endpoint score (PANSS Negative, high = poor, medium term).

Comparison 1 Communication skills training versus no specific training, Outcome 5 Mental state: 3. Negative Symptom: Average endpoint score (PANSS Negative, high = poor, medium term).

6 Leaving the study early (patient) Show forest plot

1

97

Risk Ratio (M‐H, Fixed, 95% CI)

0.89 [0.51, 1.55]

Analysis 1.6

Comparison 1 Communication skills training versus no specific training, Outcome 6 Leaving the study early (patient).

Comparison 1 Communication skills training versus no specific training, Outcome 6 Leaving the study early (patient).

'Risk of bias' graph: review authors' judgements about each risk of bias item presented as percentages across all included studies.
Figuras y tablas -
Figure 1

'Risk of bias' graph: review authors' judgements about each risk of bias item presented as percentages across all included studies.

'Risk of bias' summary: review authors' judgements about each risk of bias item for each included study.
Figuras y tablas -
Figure 2

'Risk of bias' summary: review authors' judgements about each risk of bias item for each included study.

Study flow diagram.
Figuras y tablas -
Figure 3

Study flow diagram.

Comparison 1 Communication skills training versus no specific training, Outcome 1 Patient satisfaction: 1. Satisfaction with treatment: average endpoint score (CSQ‐8, high = good, medium term).
Figuras y tablas -
Analysis 1.1

Comparison 1 Communication skills training versus no specific training, Outcome 1 Patient satisfaction: 1. Satisfaction with treatment: average endpoint score (CSQ‐8, high = good, medium term).

Comparison 1 Communication skills training versus no specific training, Outcome 2 Patient satisfaction: 2. Satisfaction with therapeutic relationship: average endpoint score (STAR‐P, high = good, medium term).
Figuras y tablas -
Analysis 1.2

Comparison 1 Communication skills training versus no specific training, Outcome 2 Patient satisfaction: 2. Satisfaction with therapeutic relationship: average endpoint score (STAR‐P, high = good, medium term).

Comparison 1 Communication skills training versus no specific training, Outcome 3 Mental state: 1. General Symptom: Average endpoint score (PANSS General, high = poor, medium term).
Figuras y tablas -
Analysis 1.3

Comparison 1 Communication skills training versus no specific training, Outcome 3 Mental state: 1. General Symptom: Average endpoint score (PANSS General, high = poor, medium term).

Comparison 1 Communication skills training versus no specific training, Outcome 4 Mental state: 2. Positive Symptom; Average endpoint score (PANSS Positive, high = poor, medium term).
Figuras y tablas -
Analysis 1.4

Comparison 1 Communication skills training versus no specific training, Outcome 4 Mental state: 2. Positive Symptom; Average endpoint score (PANSS Positive, high = poor, medium term).

Comparison 1 Communication skills training versus no specific training, Outcome 5 Mental state: 3. Negative Symptom: Average endpoint score (PANSS Negative, high = poor, medium term).
Figuras y tablas -
Analysis 1.5

Comparison 1 Communication skills training versus no specific training, Outcome 5 Mental state: 3. Negative Symptom: Average endpoint score (PANSS Negative, high = poor, medium term).

Comparison 1 Communication skills training versus no specific training, Outcome 6 Leaving the study early (patient).
Figuras y tablas -
Analysis 1.6

Comparison 1 Communication skills training versus no specific training, Outcome 6 Leaving the study early (patient).

Table 1. Suggested future trial design

Method

Cluster‐randomised controlled study with the allocation clearly described

Blinding: single‐blinded, described and tested

Single‐blinding is a more realistic allocation for this type of study which should aim to blind trainees and patients to primary and secondary outcomes.

Three‐, six‐ and 12‐month follow‐ups would be desirable in order to assess whether the impact of communication skills training is enduring.

Participants

Future studies target both trainee psychiatrists and more experienced psychiatrists. Patients diagnosed with specific mental health conditions (e.g. psychosis, bipolar, anxiety), but recruit inpatients or patients near discharge from hospital. In order to avoid loss to follow‐up and increase the power of the study a larger sample needs to be recruited with multiple psychiatric hospitals/trusts.

Intervention

The interventions could be expanded to include on‐line communication skills training, written feedback, a reflective written report and a control condition. Video‐taping of face‐to‐face consultations with patients could be done before the intervention starts in order to obtain baseline data and allow post‐intervention comparisons. Text messaging and access to computerised GP records could be employed to limit loss to follow‐up and improve data quality.

Outcomes

Primary outcomes

With relation to the patients treated by the mental health professional.

1. Adherence to treatment

1.1 Taking of medication
1.2 Attendance at scheduled appointments.

With relation to the mental health professional.

2.1 Satisfaction with the training programme

2.2 Integration of key communication skills into clinical practice post‐intervention

2.3 Reason for leaving the study early

Secondary outcomes

With relation to the patients treated by the mental health professional.

1. Global state

1.1 Clinically important improvement
1.2 Any improvement
1.3 Average change or endpoint scores on global state scales

2. Service Use

2.1 Number of hospital admissions
2.2 Days spent in hospital

3. Mental state

3.1 Positive symptoms (delusions, hallucinations, disordered thinking)
3.2 Negative symptoms (avolition, poor self‐care, blunted affect)
3.3 Average change or endpoint scores on mental state scales

4. Patient satisfaction

4.1 Average change or endpoint scores on satisfaction scales

5. Social functioning

5.1 Average change or endpoint scores on social functioning scales
5.2 Employment status (employed/unemployed)
5.3 Work‐related activities
5.4 Able to live independently
5.5 Imprisonment

6. Quality of life

6.1 Clinically important change in general quality of life
6.2 Average change or endpoint scores on quality of life scales

7. Reason for leaving the study early

Notes

A future study should be powered to be able to identify a difference of ˜10% between groups for primary outcomes with adequate degree of certainty

Figuras y tablas -
Table 1. Suggested future trial design
Summary of findings for the main comparison. Communication skills training compared with no specific training

Communication skills training programme compared with no specific training programme for psychiatrists who treat patients with severe mental illness

Patient or population: psychiatrists and people with schizoaffective disorder or schizophrenia

Settings: outpatient or community

Intervention: communication skills training programme (CST)

Comparison: no specific communication skills training programme (NST)

Outcomes

Illustrative comparative risks* (SD)

Relative effect
(95% CI)

No of Participants
(studies)

Quality of the evidence
(GRADE)

Comments

Assumed risk

Corresponding risk

Control

Experimental

Adherence to Adherence to treatment: taking of medication, attending appointments

See comments

See comments

Not estimable

See comments

See comments

no data available

1. Patient satisfaction: 1. Satisfaction with treatment: average endpoint score (CSQ‐8, high = good, medium term)

The mean patient satisfaction with treatment in NST group was 26.6 ± 4.6
at 5 months

The mean patient satisfaction with treatment in the CST group was 28.3 ± 3.6
at 5 months

Adjusted mean difference

1.77 (95% CI ‐ 0.13 to 3.68)

1 RCT, n = 66/97

⊕⊕⊝⊝
low 1

This was based on unpublished data obtained from the author. Intracluster correlation coefficient was 0.65.

Patient satisfaction: 2. Satisfaction with therapeutic relationship: average endpoint score (STAR‐P, high = good, medium term)

The mean therapeutic relationship (as judged by the patient) in the NST group was 2.6 ± 0.3

The mean value for therapeutic relationship (as judged by the patient) in the CST group was 2.8 ± 0.4

Adjusted mean difference

0.21 (95% CI 0.01 to 0.41, P = 0.043)

1 RCT, n = 63/97)

⊕⊕⊝⊝
low1

Patients in the intervention group judged the therapeutic relationship to be more favourable. There was a negative intracluster correlation coefficient.

Mental state: General, Positive and Negative Symptoms: Average endpoint score (PANSS General, Positive, Negative, high = poor, medium term)

In the NST group, the mean severity scores at follow‐up were:

General symptoms 34.1 ± 7.9;

Positive symptoms 14.5 ± 5.9

Negative symptoms 14.1 ± 5.5

In the CST group, the mean severity scores at follow‐up were:

General symptoms 34.3 ± 12.3

Positive symptoms 14.9 ± 6.9

Negative symptoms 16.3 ± 7.3

Adjusted mean difference

General 4.48 (95%CI ‐ 2.10 to 11.06)

Positive ‐0.23 (95% CI ‐ 2.91 to 2.45)

Negative 3.42 ( 95% CI ‐ 0.24 to 7.09)

1 RCT, n = 59/97

⊕⊕⊝⊝
low1

No significant difference in endpoint disease severity scores between intervention and control. This was based on unpublished data obtained from the author. Intracluster correlation coefficient was zero.

Global State: clinically important improvement

See comments

See comments

Not estimable

See comments

See comments

no data available

Service Use: hospital admission, days in hospital

See comments

See comments

Not estimable

See comments

See comments

no data available

Quality of Life: clinically important improvement

See comments

See comments

Not estimable

See comments

See comments

no data available

*The basis for the assumed risk (e.g. the median control group risk across studies) is provided in footnotes. The corresponding risk (and its 95% confidence interval) is based on the assumed risk in the comparison group and the relative effect of the intervention (and its 95% CI).
CI: Confidence interval; SD: Standard deviation

GRADE Working Group grades of evidence
High quality: Further research is very unlikely to change our confidence in the estimate of effect.
Moderate quality: Further research is likely to have an important impact on our confidence in the estimate of effect and may change the estimate.
Low quality: Further research is very likely to have an important impact on our confidence in the estimate of effect and is likely to change the estimate.
Very low quality: We are very uncertain about the estimate.

1. Very serious: Downgraded by 2. The downgrading is because of the small pilot nature of the trial, imprecision and substantial losses to follow‐up amounting to >30%.

Figuras y tablas -
Summary of findings for the main comparison. Communication skills training compared with no specific training
Comparison 1. Communication skills training versus no specific training

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Patient satisfaction: 1. Satisfaction with treatment: average endpoint score (CSQ‐8, high = good, medium term) Show forest plot

1

Mean Difference (Fixed, 95% CI)

1.77 [‐0.13, 3.68]

2 Patient satisfaction: 2. Satisfaction with therapeutic relationship: average endpoint score (STAR‐P, high = good, medium term) Show forest plot

1

Mean Difference (Fixed, 95% CI)

0.21 [0.01, 0.41]

3 Mental state: 1. General Symptom: Average endpoint score (PANSS General, high = poor, medium term) Show forest plot

1

Mean Difference (Fixed, 95% CI)

4.48 [‐2.10, 11.06]

4 Mental state: 2. Positive Symptom; Average endpoint score (PANSS Positive, high = poor, medium term) Show forest plot

1

Mean Difference (Fixed, 95% CI)

‐0.23 [‐2.91, 2.45]

5 Mental state: 3. Negative Symptom: Average endpoint score (PANSS Negative, high = poor, medium term) Show forest plot

1

Mean Difference (Fixed, 95% CI)

3.42 [‐0.24, 7.09]

6 Leaving the study early (patient) Show forest plot

1

97

Risk Ratio (M‐H, Fixed, 95% CI)

0.89 [0.51, 1.55]

Figuras y tablas -
Comparison 1. Communication skills training versus no specific training