| 
      
        | Characteristics | Naive* patients | Experienced patients |  
        |  | Without  co-infection (N=195) | With  co-infection (N=61) | P** | Without  co-infection (N=624) | With  co-infection (N=399) | P** |  
        | Sex |  
        | Male | 138 (70.8%) | 42 (68.9%) | 0,77 | 427 (68.4%) | 293 (73.4%) | 0,09 |  
        | Age in years |  
        | Median (range) | 39 (18-82) | 41 (21-66) |  | 42 (18-79) | 43 (22-79) |  |  
        | Time from HIV-positive in years |  
        | Median (range) | 1 (0-20) | 7.2 (0-24.3) | <0,0001 | 11(0-23.3) | 15.2 (0.1-25.3) | <0,0001 |  
        | CDC classification C |  |  |  |  |  |  |  
        | Yes | 39(20%) | 12 (19.7%) | 0,96 | 204 (32.7%) | 123 (30.8%) | 0,53 |  
        | HIV-1 RNA log10 copies per mL |  
        | Mean (±SD) | 5.2 (± 0.8) | 4.8 (± 0.9) | <0.01 | 3.3 (± 1.5) | 3.3 (± 1.5) | 0.65 |  
        | >5 log10 copies per mL | 109 (65.3%) | 23(50%) | 0.06 | 99 (15.9%) | 62 (15.5%) | 0.89 |  
        | Missing value | 28 | 15 |  | 0 | 0 |  |  
        | CD4+ cell count in cells per mL |  
        | Mean (±SD) | 210(±140) | 197.7 (±164.5) | 0.61 | 394.3 (±251.7) | 341(±244.7) | <0.0001 |  
        | Missing value | 26 | 16 |  | 5 | 5 |  |  
        | ALT Grade |  |  |  |  |  |  
        | Normal | 102 (81%) | 32 (80%) | 0,91** | 414 (83.5%) | 188 (58%) | <0,001 |  
        | Grade 1/2 | 22 (17.5%) | 7 (17.5%) |  | 77(15.5%) | 127(39.2%) |  |  
        | Grade 3/4 | 2(1.6%) | 1 (2.5%) |  | 5(1%) | 9(2.8%) |  |  
        | Missing | 69 | 21 |  | 128 | 75 |  |  
        | AST Grade |  
        | Normal | 107 (84.9%) | 27 (67.5%) | 0.02** | 433 (87.2%) | 167 (51.3%) | <0.001 |  
        | Grade 1/2 | 18(13.3%) | 11 (28%) |  | 57(11.5%) | 149 (45.8%) |  |  
        | Grade 3/4 | 1 (0.8%) | 2 (5%) |  | 6(1.2%) | 9(2.8%) |  |  
        | Missing | 69 | 21 |  | 128 | 74 |  |  |