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Table 3 Mortality Rate Ratio (RR) between admitted and non-admitted children, by age in the HDSS cohort

From: A cohort study of survival following discharge from hospital in rural Tanzanian children using linked data of admissions with community-based demographic surveillance

Age in years RR (95% CI) χ2 P value
 < 1 1.3   
1–< 2 2.7 (0.9, 1.8)   
2–< 3 3.9 (1.9, 3.9)   
3–< 4 3.7 (2.5, 6.1)   
4–< 5 1.5 (1.9, 7.4)   
1–4 3.3 (0.5, 4.9)   
0–4đ 2.1 (2.5, 4.2)   
Overall estimate controlling for age 1.9 (1.8, 2.6) 49.4  < 0.01
Approximate test for unequal RRs (effect modification) 21.5 (1.6, 2.4)    < 0.01
  1. CI: Confidence Interval; broad age categories