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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