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Table 1 Age distribution of hospitalized Rotavirus cases in Berlin 2007-2009

From: Ecological analysis of social risk factors for Rotavirus infections in Berlin, Germany, 2007–2009

Age group Number of cases (percent of all cases) Average yearly incidence [95% CIa] (in 100,000) Median length of hospitalization [IQRb] (days) Male gender (%) Part of an outbreak (%)
<1 year 872 (36.9) 969 [862–1,087] 4 [2–5] 53.7 13.1
1 - <2 years 639 (27.0) 668 [582–763] 3 [2–4] 55.6 15.2
2 - <3 years 204 (8.6) 219 [170–278] 3 [2–4] 56.9 20.6
3 - <4 years 72 (3.0) 82 [53–122] 3 [2–4] 44.6 19.4
4 - <6 years 73 (3.0) 42 [27–63] 3 [2–4] 50.6 21.9
6 - < 20 years 64 (2.7) 6 [3–9] 3 [2–5] 54.7 9.4
20 - < 60 years 98 (4.1) 2 [1–2] 4 [2–5] 50.0 6.1
≥60 years 348 (14.7) 14 [12–17] 5 [4–7] 33.9 18.7
total 2,370 (100) 23 [22–25] 4 [2–5] 51.1 15.3
  1. a = confidence interval; b = Interquartile range.