Turner 1992.

Methods	Retrospective cohort
Participants	10538 adult discharges. 1) HCUP ‐ 89% Male 69% White Mean age = 37 years old 2) Control (1987): 93% Male 61% White Mean age = 37 years old.
Interventions	CLINIC, HOSPITAL, OR HOSPITAL WARD VOLUME OF HIV/AIDS PATIENTS (# of AIDS discharges)
Outcomes	IN‐HOSPITAL MORTALITY: OR = 0.9996 (CI: 0.9993, 0.9998)
Notes	AIDS treatment experience is associated with improved patient outcomes.
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	D ‐ Not used