Patient baseline characteristics.

AIDS = acquired immune deficiency syndrome; HIV = human immunodeficiency syndrome; SD = standard deviation Note: Priority 1 veterans are 50%–100% disabled by a military service-related condition and have no co-pays for care or prescription medications; Priority 2–6 veterans have medication co-pays; Priority 7–8 veterans have agreed to pay co-pays for care and medications and are ineligible under Priorities 1–6. Note: Charlson score defines HIV/AIDS using ICD-9-CM code 042 and does not include asymptomatic HIV infection (ICD-9-CM code V08) Patient baseline characteristics.