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Table 2 Comparison of the tool and the physicians in terms of symptom detection

From: A mobile phone based tool to identify symptoms of common childhood diseases in Ghana: development and evaluation of the integrated clinical algorithm in a cross-sectional study

Symptom Agreement (%) Cohen’s kappa p-value a Sensitivity
(%)
Specificity
(%)
PPV b NPV c Prevalence
(%)
Fever 83.5 0.59 < 0.01 90.4 67.1 86.8 74.6 70.5
Cough 82.3 0.64 < 0.01 91.5 71.0 79.3 87.4 54.9
Diarrhoea 84.4 0.57 < 0.01 86.1 84.0 54.4 96.5 18.1
Vomiting 76.4 0.42 < 0.01 67.2 79.3 51.3 88.2 24.5
  1. ap-value for Cohen’s Kappa
  2. bPPV = positive predictive value
  3. cNPV = negative predictive value