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Table 4 Minimum community-based incidence rates of admitted malaria (total and severe) cases per 1,000 child years at risk, by year of study

From: Malaria in rural Mozambique. Part II: children admitted to hospital

   1st June 2003–31th may 2004 1st June 2004–31th may 2005
  Age group N° of cases/CYAR Rate per 1000 CYAR 95% CI N° of cases/CYAR Rate per 1000 CYAR 95% CI
Total malaria cases <1 month 0/155 0 - 1/153 6.5 0.9–46.4
  1–<6 m 65/800 81.2 63.7–103.6 14/764 18.1 10.7–30.5
  6–<12 m 184/889 207.0 179.2–239.2 66/890 74.1 58.2–94.4
  1–<2 y 304/1626 187.0 167.1–209.2 169/1731 97.6 84.0–113.5
  2–<3 y 199/1486 133.9 116.6–153.9 134/1605 83.5 70.5–98.9
  3–<4 y 98/1504 65.2 53.5–79.4 67/1494 44.8 35.3–57.0
  4–<5 y 70/1499 46.7 36.9–59.0 34/1521 22.3 16.0–31.3
  5–<10 y 80/6812 11.7 9.4–14.6 51/7100 7.2 5.5–9.5
  10–<15 y 12/5342 2.2 1.3–4.0 12/5666 2.1 1.2–3.7
Severe malaria cases <1 month 0/155 0 - 0/153 0 -
  1–<6 m 22/803 27.4 18.0–41.6 6/774 7.7 3.5–17.2
  6–<12 m 51/898 56.8 43.1–74.7 19/894 21.3 13.6–33.3
  1–<2 y 60/1644 36.5 28.3–47.0 42/1741 24.1 17.8–32.6
  2–<3 y 55/1497 36.8 28.2–47.9 30/1614 18.6 13.0–26.6
  3–<4 y 30/1509 19.9 14.9–28.4 22/1498 14.7 9.7–22.3
  4–<5 y 32/1502 21.3 15.1–30.1 13/1523 8.5 5.0–14.7
  5–<10 y 27/6816 4.0 2.7–5.8 19/7102 2.7 1.7–4.2
  10–<15 y 2/5343 0.4 0.1–1.5 6/5667 1.1 0.5–2.4
  1. CYAR: child years at risk
  2. 95% CI: 95% confidence interval