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Table 5 Sensitivity and Specificity of verbal autopsy against clinical diagnosis

From: Diagnostic accuracy of WHO verbal autopsy tool for ascertaining causes of neonatal deaths in the urban setting of Pakistan: a hospital-based prospective study

Cause of neonatal deaths

True positive

False positive

True negative

False negative

Sensitivity

Specificity

PPV

NPV

 

value

value

value

value

%

[95 % CI]

%

[95 % CI]

%

[95 % CI]

%

[95 % CI]

Congenital malformations

8

5

607

6

57.1

32.6–78.6

99.2

98.1–99.6

61.5

35.5, 82.3

99.0

97.9, 99.5

Immaturity [<33 wks]

209

20

382

15

93.3

89.2–95.9

95.0

92.4–96.7

91.3

86.9, 94.3

96.2

93.8, 97.7

Birth asphyxia

147

41

409

29

83.5

77.3–88.3

90.9

87.8–93.2

78.2

71.8, 83.5

93.4

90.6, 95.3

Tetanus

6

3

614

3

66.7

35.4–87.9

99.5

98.6–99.8

66.7

35.4, 87.9

99.5

98.6, 99.8

Severe infectiona

138

27

424

37

78.9

72.2–84.3

94.0

91.4–95.9

83.6

77.2, 88.5

92.0

89.1, 94.1

  1. aSevere infection included Sepsis, Meningitis, Pneumonia & Diarrhea
  2. PPV Positive Predictive Value
  3. NPV Negative Predictive Value