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Table 1 Comparison of age and sex distribution between study and population deaths

From: Burden of respiratory tract infections at post mortem in Zambian children

  Population (n = 3604)a Study (n = 121) P b
Age (months)    
 Median (IQR) NA 19 (12–45) NA
 <1 years 48.7 % (1787) 29 % (35) <0.001
 1–4 years 36.7 % (1321) 48 % (58)  
 4–15 years 13.8 % (496) 23 % (28)  
Male sex 50.2 % (1810) 64 % (77) 0.005
HIV infected 39.4 % (85/216)c 34 % (33/97)d 0.368
  1. aAll inpatient deaths that did not take part in the study
  2. bχ2 test
  3. cHIV status of population estimated based on previous study [16]
  4. dHIV status unavailable for 24 cases