Table 2 Sensitivity of imputation method in Hlabisa and RTC cohorts
From: Imputing HIV treatment start dates from routine laboratory data in South Africa: a validation study
Hlabisa Cohort: Sensitivity | Truly initiated ART = yes | ||
HGB/ALT + CD4 | HGB/ALT only | ||
ART workup in 6mo prior to known ART start date? | Yes | 17,970 | 18,393 |
No | 3,796 | 3,373 | |
Total | 21,766 | 21,766 | |
Sensitivity | 82.6% | 84.5% | |
RTC Cohort Sensitivity | Truly initiated ART = yes | ||
HGB/ALT + CD4 | HGB/ALT only | ||
ART workup in 6mo prior to known ART start date? | Yes | 61,105 | 61,632 |
No | 8,178 | 7,651 | |
Total | 69,283 | 69,283 | |
Sensitivity | 88.2% | 89.0% | |