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Table 3 Characteristics of hospital-acquired RVGE in children aged below 6 years in Japan during 2008–09 (N=13767)

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

Characteristics Categories N n % (95% CI)
Age at the time of hospitalization ≥18 months 6125 24 0.39 (0.25−0.58)
<18 months 6075 57 0.94 (0.71−1.21)
Hospitalization duration 1 ≥5 days 8128 74 0.91 (0.72−1.14)
<5 days 4053 6 0.15 (0.05−0.32)
  missing 19 1 5.26 (0.13−26.03)
Nurse allocation N* =7 10573 78 0.74 (0.58−0.92)
N* =10 1627 3 0.18 (0.04−0.54)
Number of beds ≥30 7854 58 0.74 (0.56−0.95)
<30 4346 23 0.53 (0.34−0.79)
Status of hospital with isolation ward/room With 10122 76 0.75 (0.59−0.94)
Without 2078 5 0.24 (0.08−0.56)
  1. 1Cut-off point of 5 days was decided based on mean hospitalization duration in Japanese infectious pediatric wards (4.7 days for children aged 1–4 years) [21].
  2. Note: *1 nurse per 7/10 patients; N: number of all hospitalizations <6 years of age in the given category who are at risk of acquiring hospital-acquired RVGE; n: number of hospital-acquired RVGE subjects.
  3. Hospital data: Number of hospitals with N*=7: 6 hospitals and N*=10: 2 hospitals; Number of hospitals with ≥30 beds and <30 beds: 4 hospitals; Number of hospitals with isolation ward/room: 6 hospitals and without an isolation ward/room: 2 hospitals.