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. 2014 Feb 11;32(15):1700–1706. doi: 10.1016/j.vaccine.2014.01.065

Table 2.

Incidence rates for hospitalisation with rotavirus and gastroenteritis per 100,000 person-years in Hong Kong (1 July 1997 to 31 March 2011).

Estimates based on ANY CMS diagnosis of rotavirus (ICD9-CM 008.61) with NO adjustment Estimates based on ANY CMS diagnosis of rotavirus (ICD9-CM 008.61) with adjustment for under- and over-CMS RV diagnosis based on data from Prince of Wales Hospital (adjustment factor 1)a Estimates based on ANY CMS diagnosis of rotavirus (ICD9-CM 008.61) with adjustment for under- and over-CMS RV diagnosis and failure to send stool on all gastroenteritis-related admissions based on data from Prince of Wales Hospital (smoothed adjustment factor 2 omitting first month of life)a Estimates based on assumption that laboratory confirmed rotavirus admissions as a proportion of all admissions by age group identified in Prince of Wales Hospital (laboratory confirmation) is the same proportion of all admissions to all HA hospitals (smoothed adjustment factor 3 with unsmoothed value for first month of life)a Estimates based on primary ICD diagnosis of gastroenteritis Estimates based on ANY primary OR secondary ICD diagnosis of gastroenteritis
0m 249 396 529 2520 4380
1m 612 973 925 2047 8745 9923
2 to <6m 1066 1695 1684 1837 7224 8683
6m to <1y 1383 2200 2389 2674 8428 10,376
1 to <2y 959 1526 1908 1727 4473 5284
2 to <3y 406 646 965 814 2532 3007
3 to <4y 233 371 655 455 1775 2099
4 to <5y 124 198 406 233 1143 1338
5 to <10y 33 446 515
10 to <14y 5 136 163
14 to <18y 1 65 84
Total 117 842 1004
<24m 1071 1704 1798 2000 6108 7378
<60m 542 863 1093 1029 3347 4011
a

See Appendix 3 for description of adjustment factors 1, 2, and 3.