Fig. 3From: Incidence and predictors of virological failure among adult HIV patients on first-line antiretroviral therapy in Amhara regional referral hospitals; Ethiopia: a retrospective follow-up studyKaplan Meier failure hazard function of virological failure of HIV/AIDS patients on first line ART in Amhara regional referral hospitals, Ethiopia from September 2015 to December 2018Back to article page