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Table 1 Estimated number of hospitalized patients and deaths due to infectious gastroenteritis among adults aged ≥60 years in Japan

From: Nationwide epidemiologic study of norovirus-related hospitalization among Japanese older adults

Stratum (No. of hospital beds) Administrative year 2012   Administrative year 2013   Administrative year 2014  
Hospitalized patients Deaths Hospitalized patients Deaths Hospitalized patients Deaths
University hospital 1366 16 1251 30 1119 14
≥500 9502 469 8152 461 7684 415
400–499 9152 181 7797 180 8310 182
300–399 20,879 470 17,919 448 19,072 583
200–299 18,365 133 15,640 119 15,200 191
100–199 39,120 661 28,289 697 27,879 512
< 99 20,056 130 16,012 0 17,632 74
Total estimated number 118,000 2060 95,100 1940 96,900 1970
(95% confidence interval) (95,700–141,000) (1370–2750) (77,700–112,000) (1230–2640) (79,500–114,000) (1280–2650)