|
Frequency of acute otitis media (AOM) during follow-up. |
|||||
| Episodes |
PCV-7 group (n = 811) |
Control group (n = 744) |
RR |
95% CI |
P |
|
|
|||||
| Total number of AOM cases during follow-up |
637 |
698 |
|||
| Episodes/100 child-years |
39.2 |
46.9 |
0.83 |
0.61–1.02 |
0.02 |
| AOM in children aged 6–12 months |
156 |
156 |
|||
| Episodes/100 child-years |
38.4 |
41.9 |
0.91 |
0.75–1.20 |
0.06 |
| AOM in children aged 13–18 months |
195 |
220 |
|||
| Episodes/100 child-years |
48.0 |
59,1 |
0.81 |
0.76–1.02 |
0.04 |
| AOM in children aged 19–24 months |
144 |
162 |
|||
| Episodes/100 child-years |
35.5 |
43.5 |
0.82 |
0.62–1.24 |
0.04 |
| AOM in children aged 25–30 months |
142 |
160 |
|||
| Episodes/100 child-years |
35.0 |
43.0 |
0.81 |
0.61–1.20 |
0.04 |
|
RR = relative risk; 95% CI = 95% confidence interval. | |||||
Esposito et al. Respiratory Research 2007 8:12 doi:10.1186/1465-9921-8-12 |
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