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Table 1 Incidence of Streptococcus pneumoniae bacteraemia and meningitis by age and sex, Finland, 1995–2002

From: Invasive pneumococcal infections among persons with and without underlying medical conditions: Implications for prevention strategies

  Ratea of bacteraemia (no of cases) Ratea of meningitis (no of cases)
Age group (years) Male Female Total Rate ratiob 95% CIc Male Female Total Rate ratiob 95% CIc
0–17 8.3 (386) 6.0 (299) 7.2 (685) 1.4 1.2–1.6 0.5 (22) 0.6 (26) 0.5 (48) 0.8 0.5–1.4
18–34 5.7 (265) 3.2 (142) 4.5 (407) 1.8 1.5–2.2 0.4 (17) 0.1 (6) 0.3 (23) 4.0 0.7–10.1
35–49 11.3 (544) 5.3 (245) 8.4 (789) 2.1 1.8–2.5 0.9 (43) 0.4 (20) 0.7 (63) 2.2 1.3–3.8
50–64 14.6 (546) 8.2 (314) 11.4 (860) 1.8 1.5–2.0 1.1 (42) 0.8 (32) 1.0 (74) 1.4 0.9–2.2
65–74 23.0 (349) 13.9 (275) 17.9 (624) 1.7 1.4–1.9 0.7 (10) 0.9 (17) 0.8 (27) 0.8 0.4–1.7
≥ 75 37.4 (304) 24.1 (437) 28.2 (741) 1.6 1.3–1.8 1.0 (8) 0.4 (8) 0.6 (16) 2.5 0.9–6.7
All 11.9 (2394) 8.1 (1712) 9.9 (4106) 1.5 1.4–1.6 0.7 (142) 0.5 (109) 0.6 (251) 1.4 1.1–1.8
  1. aAverage annual incidence (cases per 100,000 population); bmale to female rate ratio; cCI, confidence interval