Table 3.
Children cured of otitis media with effusion according to tympanometric criteria (that is, proportions of children with either A or C1 tympanogram in at least one ear)
| Time of cure | No (%) | Risk difference (%) (95% CI) | Unadjusted analysis | Adjusted analysis | ||||
|---|---|---|---|---|---|---|---|---|
| Active | Placebo | Relative risk (95% CI) | P value | Relative risk (95% CI) | P value | |||
| 1 month | 39/96 (41) | 44/98 (45) | 4.3 (–9.3 to 18.1) | 0.91 (0.65 to 1.25) | 0.55 | 0.97 (0.74 to 1.26) | 0.81 | |
| 3 months | 50/86 (58) | 45/86 (52) | –5.8 (–20.2 to 8.9) | 1.11 (0.85 to1.46) | 0.44 | 1.23 (0.84 to 1.80) | 0.29 | |
| 9 months | 40/72 (56) | 47/72 (65) | 9.7 (–5.5 to 25.6) | 0.85 (0.65 to 1.11) | 0.23 | 0.90 (0.58 to 1.41) | 0.65 | |