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Table 2 Chance-corrected concordance and CSMF accuracy for full Population Health Metrics Research Consortium verbal autopsy instrument (PHMRC VAI) as compared to the shortened PHMRC VAI by type of text items included in the analysis

From: A shortened verbal autopsy instrument for use in routine mortality surveillance systems

 

Chance-corrected concordance

CSMF accuracy

Median (%)

95 % CI

Median (%)

95 % CI

Adult

Full PHMRC VAI

No Text

44.3

(44.1, 44.4)

74.5

(74.0, 74.8)

Text

50.5

(50.3, 50.8)

77

(76.6, 77.5)

Shortened PHMRC VAI

No Text

43.3

(43.1, 43.5)

74.6

(74.0, 75.2)

Checklist

46.6

(46.5, 46.8)

76.2

(75.7, 76.7)

Text

50

(49.8, 50.2)

76.6

(76.2, 77.2)

Child

Full PHMRC VAI

No Text

44.6

(44.2, 45.0)

74.3

(73.6, 75.2)

Text

52.6

(52.2, 53.1)

78.3

(77.6, 78.7)

Shortened PHMRC VAI

No Text

44.5

(44.1, 45.0)

74.5

(73.7, 75.2)

Checklist

51.8

(51.4, 52.1)

78

(77.5, 78.7)

Text

52.5

(52.2, 52.9)

78.3

(77.6, 78.9)

Neonate

Full PHMRC VAI

No Text

42.2

(41.9, 42.6)

81.4

(80.5, 82.4)

Text

44.7

(44.3, 45.0)

82.8

(81.9, 83.5)

Shortened PHMRC VAI

No Text

40.2

(40.0, 40.5)

81.1

(80.1, 81.8)

Checklist

43.4

(43.0, 43.8)

82.1

(81.4, 83.0)

Text

43.4

(43.1, 43.6)

82.2

(81.4, 83.1)

  1. CSMF cause specific mortality fraction, CI confidence interval