Period | IRR (95% CI) | |||
---|---|---|---|---|
All ages | Ages < 2 years | Ages 2–4 years | Ages 5–17 years | |
End of Early PCV13 vs. End of Late PCV7 | 0.56 (0.48, 0.66) | 0.70 (0.61, 0.80) | 0.63 (0.54, 0.74) | 0.50 (0.40, 0.64) |
End of Late PCV13 vs. End of Early PCV13 | 0.69 (0.51, 0.93) | 0.77 (0.59, 1.01) | 0.75 (0.55, 1.01) | 0.50 (0.32, 0.77) |
End of Late PCV13 vs. End of Pre-PCV13 | 0.39 (0.28, 0.54) | 0.54 (0.41, 0.72) | 0.47 (0.34, 0.65) | 0.25 (0.16, 0.40) |