Table 5.
Annual incidence estimates for non-invasive pneumonia stratified by age.
| <2 Years | 2–4 Years | 5–14 Years | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Year | Episodes, N | Person-Years, N | Mean Annual IR, Episodes per 1000 Person-Years (95% CI) | Episodes, N | Person-Years, N | Mean Annual IR, Episodes per 1000 Person-Years (95% CI) | Episodes, N | Person-Years, N | Mean Annual IR, Episodes per 1000 Person-Years (95% CI) |
| 2010 | 72 | 8397 | 9 (7–11) | 279 | 12,339 | 23 (20–25) | 248 | 22,956 | 11 (9–12) |
| 2011 | 76 | 8687 | 9 (7–11) | 253 | 12,846 | 20 (17–22) | 205 | 26,077 | 8 (7–9) |
| 2012 | 70 | 8475 | 8 (6–10) | 217 | 13,289 | 16 (14–19) | 121 | 28,879 | 4 (3–5) |
| 2013 | 53 | 7758 | 7 (5–9) | 249 | 13,437 | 19 (16–21) | 243 | 30,998 | 8 (7–9) |
| 2014 | 58 | 6747 | 9 (6–11) | 325 | 13,207 | 25 (22–27) | 389 | 32,851 | 12 (11–13) |
| 2015 | 46 | 5461 | 8 (6–11) | 205 | 12,405 | 17 (14–19) | 152 | 34,526 | 4 (4–5) |
| 2016 | 44 | 5192 | 8 (6–11) | 182 | 11,145 | 16 (14–19) | 163 | 35,847 | 5 (4–5) |
| 2017 | 37 | 5159 | 7 (5–9) | 124 | 9630 | 13 (11–15) | 115 | 36,559 | 3 (3–4) |
CI, confidence interval; IR, incidence rate.