Table 2.
Rate differences per 100,000 in all cause pneumonia hospitalizations per between Pre-PCV7 (1997–1999) and late PCV7 (2007–2009) and estimated absolute reduction in 2009
| Age (years) | US 2009 population (millions) | Rate Difference per 100,000, 1997–1999 to 2007–2009 (95% CI) | % Reduction 1997–1999 to 2007–2009 | Estimated absolute reduction 2009 |
|---|---|---|---|---|
| <2 | 8.6 | 551.1 (445.1 to 657.1) |
43.2 (34.9 to 51.6) |
47,172 (38,099 to 56,245) |
| 2–4 | 12.7 | 51.3 (9.8 to 92.8) |
12.5 (2.4 to 22.6) |
6,536 (1,249 to 11,823) |
| 5–17 | 53.2 | 4.4 (−5.9 to 14.7) |
4.5 (−6.1 to 15.1) |
2,343 (−3,142 to 7,828) |
| 18–39 | 92.5 | 8.4 (0.6 to 16.2) |
7.8 (0.6 to15.1) |
7,771 (555 to 14,988) |
| 40–64 | 100.4 | −33.8 (−57.4 to −10.2) |
−10.1 (−17.1 to −3.0) |
−33,925 (−57.613 to −10,238) |
| 65–74 | 20.8 | 85.3 (7.0 to 163.6) |
6.6 (0.5 to 12.7) |
17,736 (1,455 to 34,016) |
| 75–84 | 13.1 | 359.8 (199.6 to 520.0) |
13.0 (7.2 to18.9) |
47,306 (26,243 to 68,369) |
| 85+ | 5.6 | 1300.8 (984.0 to 1617.6) |
22.8 (17.3 to 28.4) |
73,243 (55,406 to 91,082) |
| Total age adjusted | 307.0 | 54.8 (41.0 to 68.5) |
10.5 (7.9 to 13.1) |
168,182 (125,873 to 210,299) |