AIDS-Related Opportunistic Infections--drug therapy Acquired Immunodeficiency Syndrome--drug therapy Bed Occupancy CD4 Lymphocyte Count Disability Evaluation Persons with Disabilities--legislation & jurisprudence Drug Therapy, Combination HIV Infections--drug therapy HIV Protease Inhibitors--therapeutic use Hospices Hospitalization Humans Insurance Benefits Length of Stay Mycobacterium avium-intracellulare Infection--drug therapy Social Security United States