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) |