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'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.

Funnel plot of comparison: 1 Azithromycin versus amoxycillin or amoxycillin‐clavulanate, outcome: 1.1 Clinical failure.
Figuras y tablas -
Figure 3

Funnel plot of comparison: 1 Azithromycin versus amoxycillin or amoxycillin‐clavulanate, outcome: 1.1 Clinical failure.

Comparison 1 Azithromycin versus amoxycillin or amoxycillin‐clavulanate, Outcome 1 Clinical failure.
Figuras y tablas -
Analysis 1.1

Comparison 1 Azithromycin versus amoxycillin or amoxycillin‐clavulanate, Outcome 1 Clinical failure.

Comparison 1 Azithromycin versus amoxycillin or amoxycillin‐clavulanate, Outcome 2 Clinical failure by diagnosis.
Figuras y tablas -
Analysis 1.2

Comparison 1 Azithromycin versus amoxycillin or amoxycillin‐clavulanate, Outcome 2 Clinical failure by diagnosis.

Comparison 1 Azithromycin versus amoxycillin or amoxycillin‐clavulanate, Outcome 3 Clinical failure by age group.
Figuras y tablas -
Analysis 1.3

Comparison 1 Azithromycin versus amoxycillin or amoxycillin‐clavulanate, Outcome 3 Clinical failure by age group.

Comparison 1 Azithromycin versus amoxycillin or amoxycillin‐clavulanate, Outcome 4 Clinical failure by dose regimen of azithromycin.
Figuras y tablas -
Analysis 1.4

Comparison 1 Azithromycin versus amoxycillin or amoxycillin‐clavulanate, Outcome 4 Clinical failure by dose regimen of azithromycin.

Comparison 1 Azithromycin versus amoxycillin or amoxycillin‐clavulanate, Outcome 5 Clinical failure by type of antibiotic in control group.
Figuras y tablas -
Analysis 1.5

Comparison 1 Azithromycin versus amoxycillin or amoxycillin‐clavulanate, Outcome 5 Clinical failure by type of antibiotic in control group.

Comparison 1 Azithromycin versus amoxycillin or amoxycillin‐clavulanate, Outcome 6 Sensitivity analysis excluding one large trial.
Figuras y tablas -
Analysis 1.6

Comparison 1 Azithromycin versus amoxycillin or amoxycillin‐clavulanate, Outcome 6 Sensitivity analysis excluding one large trial.

Comparison 1 Azithromycin versus amoxycillin or amoxycillin‐clavulanate, Outcome 7 Sensitivity analysis excluding three trials with missing data > 10%.
Figuras y tablas -
Analysis 1.7

Comparison 1 Azithromycin versus amoxycillin or amoxycillin‐clavulanate, Outcome 7 Sensitivity analysis excluding three trials with missing data > 10%.

Comparison 1 Azithromycin versus amoxycillin or amoxycillin‐clavulanate, Outcome 8 Sensitivity analysis with the condition of concealment.
Figuras y tablas -
Analysis 1.8

Comparison 1 Azithromycin versus amoxycillin or amoxycillin‐clavulanate, Outcome 8 Sensitivity analysis with the condition of concealment.

Comparison 1 Azithromycin versus amoxycillin or amoxycillin‐clavulanate, Outcome 9 Microbial eradication.
Figuras y tablas -
Analysis 1.9

Comparison 1 Azithromycin versus amoxycillin or amoxycillin‐clavulanate, Outcome 9 Microbial eradication.

Comparison 1 Azithromycin versus amoxycillin or amoxycillin‐clavulanate, Outcome 10 Adverse events.
Figuras y tablas -
Analysis 1.10

Comparison 1 Azithromycin versus amoxycillin or amoxycillin‐clavulanate, Outcome 10 Adverse events.

Comparison 1. Azithromycin versus amoxycillin or amoxycillin‐clavulanate

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Clinical failure Show forest plot

15

2496

Risk Ratio (M‐H, Random, 95% CI)

1.09 [0.64, 1.85]

2 Clinical failure by diagnosis Show forest plot

15

Risk Ratio (M‐H, Random, 95% CI)

Subtotals only

2.1 Acute bronchitis

6

1296

Risk Ratio (M‐H, Random, 95% CI)

0.63 [0.45, 0.88]

2.2 Acute exacerbation of chronic bronchitis

9

808

Risk Ratio (M‐H, Random, 95% CI)

1.24 [0.46, 3.32]

2.3 Pneumonia

5

392

Risk Ratio (M‐H, Random, 95% CI)

0.93 [0.45, 1.94]

3 Clinical failure by age group Show forest plot

15

Risk Ratio (M‐H, Random, 95% CI)

Subtotals only

3.1 Adult

12

2112

Risk Ratio (M‐H, Random, 95% CI)

1.15 [0.60, 2.20]

3.2 Paediatric

3

384

Risk Ratio (M‐H, Random, 95% CI)

0.93 [0.45, 1.94]

4 Clinical failure by dose regimen of azithromycin Show forest plot

12

2112

Risk Ratio (M‐H, Random, 95% CI)

1.15 [0.60, 2.20]

4.1 500 mg once daily x 3

8

1631

Risk Ratio (M‐H, Random, 95% CI)

1.25 [0.55, 2.83]

4.2 500 mg single dose followed by 250 mg on day 2 to 5

4

481

Risk Ratio (M‐H, Random, 95% CI)

0.95 [0.25, 3.62]

5 Clinical failure by type of antibiotic in control group Show forest plot

15

2496

Risk Ratio (M‐H, Random, 95% CI)

1.09 [0.64, 1.85]

5.1 Amoxycillin

2

291

Risk Ratio (M‐H, Random, 95% CI)

0.41 [0.16, 1.05]

5.2 Amoxyclav

13

2205

Risk Ratio (M‐H, Random, 95% CI)

1.28 [0.71, 2.30]

6 Sensitivity analysis excluding one large trial Show forest plot

14

1742

Risk Ratio (M‐H, Random, 95% CI)

1.20 [0.69, 2.09]

7 Sensitivity analysis excluding three trials with missing data > 10% Show forest plot

12

2250

Risk Ratio (M‐H, Random, 95% CI)

1.13 [0.62, 2.03]

8 Sensitivity analysis with the condition of concealment Show forest plot

15

2496

Risk Ratio (M‐H, Random, 95% CI)

1.09 [0.64, 1.85]

8.1 Adequately concealed studies

3

281

Risk Ratio (M‐H, Random, 95% CI)

0.55 [0.25, 1.21]

8.2 Inadequately or unclearly concealed studies

12

2215

Risk Ratio (M‐H, Random, 95% CI)

1.32 [0.70, 2.49]

9 Microbial eradication Show forest plot

12

961

Risk Ratio (M‐H, Random, 95% CI)

0.95 [0.87, 1.03]

10 Adverse events Show forest plot

12

2406

Risk Ratio (M‐H, Random, 95% CI)

0.76 [0.57, 1.00]

Figuras y tablas -
Comparison 1. Azithromycin versus amoxycillin or amoxycillin‐clavulanate