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Table 1 Demographic characteristics of children aged less than 6 years, hospitalized in Japan during 2008–09

From: The burden of rotavirus gastroenteritis and hospital-acquired rotavirus gastroenteritis among children aged less than 6 years in Japan: a retrospective, multicenter epidemiological survey

Subject group Acute GE2(N =1644) RVGE (N=665) Hospital-acquired RVGE (N=81)
Gender (male/female) (%) 57.0/43.0 54.6/45.4 61.7/38.3
Age (months) Mean ± SD 1 24.6 ± 18.07 23.1 ± 15.88 15.9 ± 13.84
Median (range) 19 (0–71) 18 (0–71) 13 (0–62)
Underlying medical condition n (%) 10 (0.6) 5 (0.8) 0 (0.0)
-Cardiac disease 14 (0.9) 2 (0.3) 1 (1.2)
- Gastrointestinal disease 20 (1.2) 8 (1.2) 3 (3.7)
-Neurological disease 15 (0.9) 6 (0.9) 2 (2.5)
-Prematurity 46 (2.8) 18 (2.7) 8*(9.9)
-Pulmonary disease 54 (3.3) 20 (3.0) 8 (9.9)
-Others 1485 (90.3) 606 (91.1) 59 (72.8)
- No condition    
  1. Note: 1Standard deviation; 2Acute gastroenteritis; *Information on hospitalization duration missing for one case.