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Table 1 Agreement between the four validation methods in determining the causes of children’s deaths

From: Verbal autopsy as a tool for identifying children dying of sickle cell disease: a validation study conducted in Kilifi district, Kenya

Methods AC1for all CODs, % (SE) (95% CI) AC1for COD due to SCD, % (SE) (95% CI)
PCVA coder 1 versus PCVA coder 2 (n = 610) 54.6 (2.0) (50.7 to 58.5) 97.4 (0.6) (95.9 to 98.7)
InterVA-4 model versus PCVA consensus (n = 610) 50.6 (5.0) (48.7 to 57.2) 94.6 (0.9) (95.0 to 99.0)
InterVA-4 model versus paediatric ward COD (n = 134) 42.5 (3.6) (35.4.0 to 49.6) 96.9 (1.5) (95.0 to 99.0)
PCVA consensus versus pediatric ward COD (n = 134) 50.0 (5.1) (40.0 to 60.0) 95.5 (1.8) (92.0 to 99.0)
PCVA consensus versus laboratory evidence (n = 93) 87.5 (4.4) (78.9 to 96.1.)
  1. AC1, Agreement coefficient of Gwet; CI, confidence interval; COD, cause of death; SCD, sickle cell disease. SE, Standard error; VA, verbal autopsy.