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. 2010 Sep 8;2010(9):CD001095. doi: 10.1002/14651858.CD001095.pub2

Summary of findings 3. Azithromycin 3 to 5 days short‐term treatment for acute otitis media.

Azithromycin 3 to 5 days short‐term treatment for acute otitis media
Patient or population: patients with acute otitis media 
 Settings:Intervention: Azithromycin 3 to 5 days short‐term treatment
Outcomes Illustrative comparative risks* (95% CI) Relative effect 
 (95% CI) No of Participants 
 (studies) Quality of the evidence 
 (GRADE) Comments
Assumed risk Corresponding risk
Control Azithromycin 3 to 5 days short‐term treatment
Treatment failure at 1 month or less Study population OR 1.02 
 (0.87 to 1.2) 4354 
 (19)    
185 per 1000 188 per 1000 
 (165 to 214)
Medium risk population
61 per 1000 62 per 1000 
 (53 to 72)
Treatment failure at 8 to 19 days Study population OR 1.27 
 (1.04 to 1.55) 4347 
 (18)    
95 per 1000 118 per 1000 
 (98 to 140)
Medium risk population
56 per 1000 70 per 1000 
 (58 to 84)
Treatment failure at 20 to 30 days Study population OR 0.98 
 (0.82 to 1.17) 2708 
 (11)    
265 per 1000 261 per 1000 
 (228 to 297)
Medium risk population
273 per 1000 269 per 1000 
 (235 to 305)
*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; OR: Odds ratio;
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.