Advanced HIV Disease at Entry into HIV Care and Initiation of Antiretroviral Therapy During 2006–2011: Findings From Four Sub-Saharan African Countries

Background. Timely antiretroviral therapy (ART) initiation requires early diagnosis of human immunodeficiency virus (HIV) infection with prompt enrollment and engagement in HIV care. Methods. We examined programmatic data on 334 557 adults enrolling in HIV care, including 149 032 who initiated ART during 2006–2011 at 132 facilities in Kenya, Mozambique, Rwanda, and Tanzania. We examined trends in advanced HIV disease (CD4+ count