Episodes
|
PCV-7 group (n = 811)
|
Control group (n = 744)
|
RR
|
95% CI
|
P
|
---|
Total number of RTIs during follow-up
|
3,877
|
3,460
| | | |
Episodes/100 child-years
|
239.0
|
232.5
|
1.02
|
0.98–1.07
|
0.32
|
RTIs in children aged 6–12 months
|
1,035
|
928
| | | |
Episodes/100 child-years
|
255.2
|
249.4
|
1.02
|
0.94–1.12
|
0.62
|
RTIs in children aged 13–18 months
|
1,185
|
986
| | | |
Episodes/100 child-years
|
292.2
|
265.0
|
1.10
|
1.00–1.18
|
0.055
|
RTIs in children aged 19–24 months
|
998
|
872
| | | |
Episodes/100 child-years
|
246.1
|
234.4
|
1.05
|
0.96–1.15
|
0.31
|
RTIs in children aged 25–30 months
|
659
|
674
| | | |
Episodes/100 child-years
|
162.5
|
181.1
|
0.90
|
0.81–1.00
|
0.047
|
- RR = relative risk; 95% CI = 95% confidence interval.