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Forest plot of comparison: 1 Antihistamine versus control, outcome: 1.1 Secondary outcome: cure or no cure at 1‐3 months.
Figuras y tablas -
Figure 1

Forest plot of comparison: 1 Antihistamine versus control, outcome: 1.1 Secondary outcome: cure or no cure at 1‐3 months.

Forest plot of comparison: 1 Antihistamine versus control, outcome: 1.3 Outcome: surgery (tympanostomy (myringotomy)).
Figuras y tablas -
Figure 2

Forest plot of comparison: 1 Antihistamine versus control, outcome: 1.3 Outcome: surgery (tympanostomy (myringotomy)).

Comparison 1 Antihistamine versus control, Outcome 1 Secondary outcome: cure or no cure at 1‐3 months.
Figuras y tablas -
Analysis 1.1

Comparison 1 Antihistamine versus control, Outcome 1 Secondary outcome: cure or no cure at 1‐3 months.

Comparison 1 Antihistamine versus control, Outcome 2 Complication: AOM.
Figuras y tablas -
Analysis 1.2

Comparison 1 Antihistamine versus control, Outcome 2 Complication: AOM.

Comparison 1 Antihistamine versus control, Outcome 3 Outcome: surgery (tympanostomy (myringotomy)).
Figuras y tablas -
Analysis 1.3

Comparison 1 Antihistamine versus control, Outcome 3 Outcome: surgery (tympanostomy (myringotomy)).

Comparison 2 Decongestant versus control, Outcome 1 Primary outcome: cure or no cure at or before 1 month.
Figuras y tablas -
Analysis 2.1

Comparison 2 Decongestant versus control, Outcome 1 Primary outcome: cure or no cure at or before 1 month.

Comparison 2 Decongestant versus control, Outcome 2 Secondary outcome: cure or no cure at 1‐3 months.
Figuras y tablas -
Analysis 2.2

Comparison 2 Decongestant versus control, Outcome 2 Secondary outcome: cure or no cure at 1‐3 months.

Comparison 2 Decongestant versus control, Outcome 3 Side effect: any significant side effects at or before 1 month.
Figuras y tablas -
Analysis 2.3

Comparison 2 Decongestant versus control, Outcome 3 Side effect: any significant side effects at or before 1 month.

Comparison 2 Decongestant versus control, Outcome 4 Outcome: hearing on or about 1 month.
Figuras y tablas -
Analysis 2.4

Comparison 2 Decongestant versus control, Outcome 4 Outcome: hearing on or about 1 month.

Comparison 2 Decongestant versus control, Outcome 5 Outcome: surgery (tympanostomy (myringotomy)).
Figuras y tablas -
Analysis 2.5

Comparison 2 Decongestant versus control, Outcome 5 Outcome: surgery (tympanostomy (myringotomy)).

Comparison 2 Decongestant versus control, Outcome 6 Complication: AOM.
Figuras y tablas -
Analysis 2.6

Comparison 2 Decongestant versus control, Outcome 6 Complication: AOM.

Comparison 3 Antihistamine/decongestant combination versus control, Outcome 1 Primary outcome: cure or no cure at or before 1 month.
Figuras y tablas -
Analysis 3.1

Comparison 3 Antihistamine/decongestant combination versus control, Outcome 1 Primary outcome: cure or no cure at or before 1 month.

Comparison 3 Antihistamine/decongestant combination versus control, Outcome 2 Secondary outcome: cure or no cure at 1‐3 months.
Figuras y tablas -
Analysis 3.2

Comparison 3 Antihistamine/decongestant combination versus control, Outcome 2 Secondary outcome: cure or no cure at 1‐3 months.

Comparison 3 Antihistamine/decongestant combination versus control, Outcome 3 Late outcome: cure or no cure after 3 months.
Figuras y tablas -
Analysis 3.3

Comparison 3 Antihistamine/decongestant combination versus control, Outcome 3 Late outcome: cure or no cure after 3 months.

Comparison 3 Antihistamine/decongestant combination versus control, Outcome 4 Side effect: any significant side effects at or before 1 month.
Figuras y tablas -
Analysis 3.4

Comparison 3 Antihistamine/decongestant combination versus control, Outcome 4 Side effect: any significant side effects at or before 1 month.

Comparison 3 Antihistamine/decongestant combination versus control, Outcome 5 Outcome: hearing at or less than 3 months.
Figuras y tablas -
Analysis 3.5

Comparison 3 Antihistamine/decongestant combination versus control, Outcome 5 Outcome: hearing at or less than 3 months.

Comparison 3 Antihistamine/decongestant combination versus control, Outcome 6 Late outcome: hearing at 1 year.
Figuras y tablas -
Analysis 3.6

Comparison 3 Antihistamine/decongestant combination versus control, Outcome 6 Late outcome: hearing at 1 year.

Comparison 3 Antihistamine/decongestant combination versus control, Outcome 7 Late outcome: school performance at 1 year.
Figuras y tablas -
Analysis 3.7

Comparison 3 Antihistamine/decongestant combination versus control, Outcome 7 Late outcome: school performance at 1 year.

Comparison 3 Antihistamine/decongestant combination versus control, Outcome 8 Outcome: surgery (tympanostomy (myringotomy)).
Figuras y tablas -
Analysis 3.8

Comparison 3 Antihistamine/decongestant combination versus control, Outcome 8 Outcome: surgery (tympanostomy (myringotomy)).

Comparison 3 Antihistamine/decongestant combination versus control, Outcome 9 Complication: recurrent OME.
Figuras y tablas -
Analysis 3.9

Comparison 3 Antihistamine/decongestant combination versus control, Outcome 9 Complication: recurrent OME.

Comparison 3 Antihistamine/decongestant combination versus control, Outcome 10 Complication: AOM.
Figuras y tablas -
Analysis 3.10

Comparison 3 Antihistamine/decongestant combination versus control, Outcome 10 Complication: AOM.

Comparison 4 Any medication: antihistamine, decongestant or antihistamine/decongestant combination versus control, Outcome 1 Primary outcome: cure or no cure at or before 1 month.
Figuras y tablas -
Analysis 4.1

Comparison 4 Any medication: antihistamine, decongestant or antihistamine/decongestant combination versus control, Outcome 1 Primary outcome: cure or no cure at or before 1 month.

Comparison 4 Any medication: antihistamine, decongestant or antihistamine/decongestant combination versus control, Outcome 2 Secondary outcome: cure or no cure at 1‐3 months.
Figuras y tablas -
Analysis 4.2

Comparison 4 Any medication: antihistamine, decongestant or antihistamine/decongestant combination versus control, Outcome 2 Secondary outcome: cure or no cure at 1‐3 months.

Comparison 4 Any medication: antihistamine, decongestant or antihistamine/decongestant combination versus control, Outcome 3 Late outcome: cure or no cure after 3 months.
Figuras y tablas -
Analysis 4.3

Comparison 4 Any medication: antihistamine, decongestant or antihistamine/decongestant combination versus control, Outcome 3 Late outcome: cure or no cure after 3 months.

Comparison 4 Any medication: antihistamine, decongestant or antihistamine/decongestant combination versus control, Outcome 4 Side effects: any significant side effects at or before 1 month.
Figuras y tablas -
Analysis 4.4

Comparison 4 Any medication: antihistamine, decongestant or antihistamine/decongestant combination versus control, Outcome 4 Side effects: any significant side effects at or before 1 month.

Comparison 4 Any medication: antihistamine, decongestant or antihistamine/decongestant combination versus control, Outcome 5 Outcome: hearing on or about 1 month.
Figuras y tablas -
Analysis 4.5

Comparison 4 Any medication: antihistamine, decongestant or antihistamine/decongestant combination versus control, Outcome 5 Outcome: hearing on or about 1 month.

Comparison 4 Any medication: antihistamine, decongestant or antihistamine/decongestant combination versus control, Outcome 6 Late outcome: hearing at 1 year.
Figuras y tablas -
Analysis 4.6

Comparison 4 Any medication: antihistamine, decongestant or antihistamine/decongestant combination versus control, Outcome 6 Late outcome: hearing at 1 year.

Comparison 4 Any medication: antihistamine, decongestant or antihistamine/decongestant combination versus control, Outcome 7 Late outcome: school performance at 1 year.
Figuras y tablas -
Analysis 4.7

Comparison 4 Any medication: antihistamine, decongestant or antihistamine/decongestant combination versus control, Outcome 7 Late outcome: school performance at 1 year.

Comparison 4 Any medication: antihistamine, decongestant or antihistamine/decongestant combination versus control, Outcome 8 Outcome: surgery (tympanostomy (myringotomy)).
Figuras y tablas -
Analysis 4.8

Comparison 4 Any medication: antihistamine, decongestant or antihistamine/decongestant combination versus control, Outcome 8 Outcome: surgery (tympanostomy (myringotomy)).

Comparison 4 Any medication: antihistamine, decongestant or antihistamine/decongestant combination versus control, Outcome 9 Complication: recurrent OME.
Figuras y tablas -
Analysis 4.9

Comparison 4 Any medication: antihistamine, decongestant or antihistamine/decongestant combination versus control, Outcome 9 Complication: recurrent OME.

Comparison 4 Any medication: antihistamine, decongestant or antihistamine/decongestant combination versus control, Outcome 10 Complication: AOM.
Figuras y tablas -
Analysis 4.10

Comparison 4 Any medication: antihistamine, decongestant or antihistamine/decongestant combination versus control, Outcome 10 Complication: AOM.

Comparison 1. Antihistamine versus control

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Secondary outcome: cure or no cure at 1‐3 months Show forest plot

3

206

Risk Difference (M‐H, Fixed, 95% CI)

0.02 [‐0.11, 0.16]

2 Complication: AOM Show forest plot

1

46

Risk Ratio (M‐H, Fixed, 95% CI)

0.89 [0.46, 1.73]

3 Outcome: surgery (tympanostomy (myringotomy)) Show forest plot

1

66

Odds Ratio (M‐H, Fixed, 95% CI)

2.08 [0.77, 5.58]

Figuras y tablas -
Comparison 1. Antihistamine versus control
Comparison 2. Decongestant versus control

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Primary outcome: cure or no cure at or before 1 month Show forest plot

3

276

Risk Ratio (M‐H, Fixed, 95% CI)

1.06 [0.92, 1.22]

2 Secondary outcome: cure or no cure at 1‐3 months Show forest plot

2

216

Risk Ratio (M‐H, Fixed, 95% CI)

1.05 [0.85, 1.30]

3 Side effect: any significant side effects at or before 1 month Show forest plot

1

172

Risk Ratio (M‐H, Fixed, 95% CI)

11.05 [0.66, 185.38]

4 Outcome: hearing on or about 1 month Show forest plot

1

15

Risk Ratio (M‐H, Fixed, 95% CI)

0.88 [0.16, 4.68]

5 Outcome: surgery (tympanostomy (myringotomy)) Show forest plot

1

172

Risk Ratio (M‐H, Fixed, 95% CI)

1.07 [0.71, 1.62]

6 Complication: AOM Show forest plot

1

44

Risk Ratio (M‐H, Fixed, 95% CI)

0.55 [0.23, 1.31]

Figuras y tablas -
Comparison 2. Decongestant versus control
Comparison 3. Antihistamine/decongestant combination versus control

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Primary outcome: cure or no cure at or before 1 month Show forest plot

4

901

Risk Ratio (M‐H, Fixed, 95% CI)

0.97 [0.89, 1.04]

2 Secondary outcome: cure or no cure at 1‐3 months Show forest plot

3

158

Risk Ratio (M‐H, Fixed, 95% CI)

1.09 [0.85, 1.40]

3 Late outcome: cure or no cure after 3 months Show forest plot

2

119

Risk Ratio (M‐H, Fixed, 95% CI)

1.24 [0.72, 2.13]

4 Side effect: any significant side effects at or before 1 month Show forest plot

5

972

Risk Ratio (M‐H, Fixed, 95% CI)

2.54 [1.76, 3.67]

5 Outcome: hearing at or less than 3 months Show forest plot

3

343

Risk Ratio (M‐H, Fixed, 95% CI)

1.09 [0.93, 1.27]

6 Late outcome: hearing at 1 year Show forest plot

1

48

Risk Ratio (M‐H, Fixed, 95% CI)

1.5 [0.63, 3.56]

7 Late outcome: school performance at 1 year Show forest plot

1

42

Risk Ratio (M‐H, Fixed, 95% CI)

0.81 [0.35, 1.86]

8 Outcome: surgery (tympanostomy (myringotomy)) Show forest plot

2

57

Risk Ratio (M‐H, Random, 95% CI)

0.54 [0.09, 3.41]

9 Complication: recurrent OME Show forest plot

2

Risk Ratio (M‐H, Fixed, 95% CI)

Subtotals only

9.1 Quality score 3 or greater

1

94

Risk Ratio (M‐H, Fixed, 95% CI)

1.67 [0.92, 3.01]

9.2 Quality score less than 3

1

48

Risk Ratio (M‐H, Fixed, 95% CI)

0.75 [0.31, 1.83]

9.3 Allocation concealment adequate

0

0

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

9.4 Allocation concealment not adequate

2

142

Risk Ratio (M‐H, Fixed, 95% CI)

1.3 [0.80, 2.11]

10 Complication: AOM Show forest plot

1

636

Risk Ratio (M‐H, Fixed, 95% CI)

0.76 [0.46, 1.26]

10.1 Quality score 3 or greater

1

318

Risk Ratio (M‐H, Fixed, 95% CI)

0.76 [0.37, 1.55]

10.2 Quality score less than 3

0

0

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

10.3 Allocation concealment adequate

0

0

Risk Ratio (M‐H, Fixed, 95% CI)

0.0 [0.0, 0.0]

10.4 Allocation concealment not adequate

1

318

Risk Ratio (M‐H, Fixed, 95% CI)

0.76 [0.37, 1.55]

Figuras y tablas -
Comparison 3. Antihistamine/decongestant combination versus control
Comparison 4. Any medication: antihistamine, decongestant or antihistamine/decongestant combination versus control

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Primary outcome: cure or no cure at or before 1 month Show forest plot

7

1177

Risk Ratio (M‐H, Fixed, 95% CI)

0.99 [0.92, 1.05]

2 Secondary outcome: cure or no cure at 1‐3 months Show forest plot

8

580

Risk Ratio (M‐H, Fixed, 95% CI)

1.06 [0.92, 1.22]

3 Late outcome: cure or no cure after 3 months Show forest plot

2

119

Risk Ratio (M‐H, Fixed, 95% CI)

1.24 [0.72, 2.13]

4 Side effects: any significant side effects at or before 1 month Show forest plot

6

1144

Risk Ratio (M‐H, Fixed, 95% CI)

2.70 [1.87, 3.88]

5 Outcome: hearing on or about 1 month Show forest plot

4

358

Risk Ratio (M‐H, Fixed, 95% CI)

1.08 [0.93, 1.27]

6 Late outcome: hearing at 1 year Show forest plot

1

48

Risk Ratio (M‐H, Fixed, 95% CI)

1.5 [0.63, 3.56]

7 Late outcome: school performance at 1 year Show forest plot

1

42

Risk Ratio (M‐H, Fixed, 95% CI)

0.81 [0.35, 1.86]

8 Outcome: surgery (tympanostomy (myringotomy)) Show forest plot

4

295

Risk Ratio (M‐H, Fixed, 95% CI)

1.07 [0.81, 1.41]

9 Complication: recurrent OME Show forest plot

2

142

Risk Ratio (M‐H, Fixed, 95% CI)

1.3 [0.80, 2.11]

10 Complication: AOM Show forest plot

3

408

Risk Ratio (M‐H, Fixed, 95% CI)

0.74 [0.48, 1.14]

Figuras y tablas -
Comparison 4. Any medication: antihistamine, decongestant or antihistamine/decongestant combination versus control