Fig. 2From: Imputing HIV treatment start dates from routine laboratory data in South Africa: a validation studyTime from ART workup date to known ART initiation date Fig. 2a displays the cumulative distribution for Hlabisa; Fig. 2b displays the cumulative distribution for Right to Care. In the Hlabisa Cohort, 2.3% of patients with an ART workup had initiation dates more than 182 days later or had not initiated by the end of follow-up. As this population was not observed in the RTC cohort, patients initiating more than 182 days or not at all are excluded from both plotsBack to article page