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

Table 3 Validity of the VA diagnosis on cause of death

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

ISSN: 1471-2288