| Characteristics | 
        HIV-infected N=45 n (%) | 
        HIV-uninfected N=37 n (%) | 
        p-value* | 
       
      
        | Age, years: | 
          | 
          | 
          | 
       
      
        |    <50 | 
        6 (13.3) | 
        8 (21.6) | 
        0.3 | 
       
      
        |    50-60 | 
        30 (66.7) | 
        22 (59.5) | 
          | 
       
      
        |    >60 | 
        9 (20.0) | 
        7 (18.9) | 
          | 
       
      
        | Race, African American  | 
        45    (100) | 
        36    (97.3) | 
        0.2 | 
       
      
        | Body Mass Index (BMI): | 
          | 
          | 
          | 
       
      
        |    <25    kg/m2 | 
        23 (51.1) | 
        12 (32.4) | 
        0.09 | 
       
      
        |    ≥ 25    kg/m2 | 
        22 (48.9) | 
        25 (67.6) | 
          | 
       
      
        | Smoker, current   | 
        31    (69.0) | 
        21    (56.8) | 
        0.3 | 
       
      
        | Comorbidity: | 
          | 
          | 
          | 
       
      
        |       Diabetes | 
        12 (26.7) | 
        7 (18.9) | 
        0.4 | 
       
      
        |       Hepatitis C Infection | 
        32 (71.1) | 
        18 (55.6) | 
        0.1 | 
       
      
        |       Hypertension | 
        31 (68.9) | 
        27 (73.0) | 
        0.7 | 
       
      
        | Chronic Pulmonary Disease | 
        9 (20.0) | 
        11 (29.7) | 
        0.3           | 
       
      
        |       Dyslipidemia | 
        16 (36.4) | 
        8 (25.8) | 
        0.3 | 
       
      
        |       Anemia, (Hgb<13 g/dl) | 
        11(24.4) | 
        14(37.8) | 
        0.2 | 
       
      
     
    * chi-squared test  |