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Table 1 Estimated age-specific annual incidence/100,000 population of all-cause pneumonia and of lab-proven influenza hospitalization

From: The epidemiology of hospitalized influenza in children, a two year population-based study in the People's Republic of China

Year Age Est.
Pop.
Total Hospitalized Children Hospitalized Pneumonia Influenza - Related Hospitalization
     No. (death) Incidence(95%CI) Number Incidence(95%CI)
2007 0-5 m 24,261 3,311 2,147(3) 8,850 (8492-9207) 15 61.8 (30.5-93.1)
  6-11 m 24,261 2,986 1,529 6,302 (5997-6608) 14 57.7 (27.5-87.9)
  12-23 m 48,522 2,302 910(2) 1,875 (1755-1996) 3 6.2 (0.8-13.2)
  24-35 m 48,522 4,556 884(2) 1,822 (1703-1941) 8 16.5 (5.1-27.9)
  36-59 m 97,044 5,014 1,311 1,351 (1278-1424) 15 15.5 (7.6-23.3)
Total 0-59 m 242,610 18,169 6,781(7) 2,795 (2729-2861) 55 22.7 (16.7-28.7)
2008 0-5 m 23,886 3,367 2,395(4) 10,027 (9646-10408) 15 62.8 (31.0-94.6)
  6-11 m 23,886 2,979 1,700(1) 7,117 (6791-7443) 12 50.2 (21.8-78.7)
  12-23 m 47,772 2,744 1,011 2,116 (1987-2245) 10 20.9 (8.0-20.9)
  24-35 m 47,772 5,433 982 2,056 (1928-2183) 12 25.1 (10.9-39.3)
  36-59 m 95,544 5,985 1,458(2) 1,526 (1448-1604) 16 16.7 (8.5-25.0)
Total 0-59 m 238,860 20,508 7,546(7) 3,159 (3089-3229) 65 27.2 (20.6-33.8)
  1. Note: Populations estimated from the birth cohorts of 48,552 births in 2007 and 47,772 births in 2008 in Suzhou.