Table 4 Comparison of verbal autopsy-assessed HIV-associated deaths in pre-ART and ART periods.
Characteristics | Verbal autopsy study period | |
|---|---|---|
Study period | Pre-ART (1990-93) | ART (2006-08) |
HIV prevalence | 8.0% | 7.5% |
Deaths of known HIV serostatus | 293 | 333 |
Deaths where verbal autopsy was done | 155 (53%) | 264 (79%) |
HIV-positive deaths with verbal autopsy | 78 (50%) | 59 (22%) |
Specificity | 92% | 90% |
Positive predictive value | 92% | 71% |
Assessors' agreement on HIV-associated deaths | 91% | 80% |
Kappa statistic | n/a | 0.69 |
HIV-attributable mortality fraction-VA study | 47% | 25.8% |
HIV-attributable mortality fraction-cohort data | 50% | 17% |