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