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Table 3 Validity of the VA diagnosis on cause of death

From: Validation of verbal autopsy methods using hospital medical records: a case study in Vietnam

Underlying cause of death ICD code True positive True negative Cases diagnosed from MRs Cases diagnosed from VA Sensitivity, (95% CI) Specificity, (95% CI) PPV, (95% CI)
Cancer
1. Lung cancer C34 8 108 8 8 100 100 100
2. Liver cancer C22 6 108 6 8 100 98 (96-100) 75 (45-100)
3. Colon and rectum cancers C18-C21 4 112 4 4 100 100 100
4. Mouth and oropharynx cancers C00-C14 3 112 4 3 75 (33- 100) 100 100
5. Oesophagus cancer C15 3 113 3 3 100 100 100
6. Stomach cancer C16 2 114 2 2 100 100 100
7. Pancreas cancer C25 2 114 2 2 100 100 100
Cadiovascular diseases
8. Stroke I60-I69 14 89 18 23 78 (59-97) 91 (85-97) 61 (41-81)
9. Ischaemic heart disease (IHD) I20-I25 3 105 9 5 33 (3-64) 98 (96-100) 60 (17-100)
Other non-communicable diseases and external causes
10. Diabetes mellitus E10-E14 2 106 5 7 40 (0-83) 95 (92-99) 29 (0-62)
11. Cirrhosis of liver K70, K74 2 110 5 3 40 (0-83) 99 (97-100) 67 (13-100)
12. Chronic obstructive pulmonary diseases (COPD) J40-J44 1 109 7 1 14 (0-40) 100 100
13. Road traffic Injury V01-V04, V06, V09-V80, V87, V89, V99 4 112 4 4 100 100 100
Communicable diseases
14. HIV/AIDS B20-B24 2 113 3 2 67 (13-100) 100 100
15. Pneumonia J12-J18 2 102 6 10 33 (0-71) 93 (88-98) 20 (0-45)
Other causes   8   30 31    
Total   66   116 116