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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
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