Table 1 Characteristics of Men who Have Sex with Men Living with HIV or at Risk for HIV Undergoing High-Resolution Anoscopy
|  | Total N = 307 N (%) | HIV+ N = 178 N (%) | HIV- N = 129 N (%) | P* |
|---|---|---|---|---|
Age (years) |  |  |  | < 0.01 |
  ≤ 24 | 136 (44.3) | 63 (35.4) | 73 (56.6) |  |
 25–34 | 139 (45.3) | 96 (53.9) | 43 (33.3) |  |
  ≥ 35 | 32 (10.4) | 19 (10.7) | 13 (10.1) |  |
Ever married | Â | Â | Â | 0.73 |
 No | 272 (89.8) | 158 (89.3) | 114 (90.5) |  |
 Yes | 31 (10.2) | 19 (10.7) | 12 (9.5) |  |
Ever smoked | Â | Â | Â | 0.68 |
 No | 223 (73.1) | 131 (74.0) | 92 (71.9) |  |
 Yes | 82 (26.9) | 46 (26.0) | 36 (28.1) |  |
Currently smoke | Â | Â | Â | 0.70 |
 No | 240 (78.4) | 141 (79.2) | 99 (77.3) |  |
 Yes | 66 (21.6) | 37 (20.8) | 29 (22.7) |  |
Years since anal sexual debut |  |  |  | < 0.01 |
  ≤ 7 | 150 (51.4) | 70 (41.4) | 80 (65.0) |  |
  ≥ 8 | 142 (48.6) | 99 (58.6) | 43 (35.0) |  |
Lifetime No. of receptive partners |  |  |  | < 0.01 |
  ≤ 10 | 217 (72.3) | 108 (62.1) | 109 (86.5) |  |
  ≥ 11 | 83 (27.7) | 66 (37.9) | 17 (13.5) |  |
Sexual position |  |  |  | < 0.01 |
 Insertive | 64 (21.2) | 20 (11.5) | 44 (34.4) |  |
 Receptive | 44 (14.6) | 33 (19.0) | 11 (8.6) |  |
 Both | 194 (64.2) | 121 (69.5) | 73 (57.0) |  |
Transactional sex in past year | Â | Â | Â | 0.25 |
 No | 188 (65.5) | 114 (68.3) | 74 (61.7) |  |
 Yes | 99 (34.5) | 53 (31.7) | 46 (38.3) |  |
Rectal STIs | Â | Â | Â | 0.17 |
 None | 238 (78.8) | 144 (81.4) | 94 (75.2) |  |
 Neisseria gonorrhoeae | 31 (10.3) | 17 (9.6) | 14 (11.2) |  |
 Chlamydia trachomatis | 22 (7.3) | 13 (7.3) | 9 (7.2) |  |
 Both | 11 (3.6) | 3 (1.7) | 8 (6.4) |  |
External warts |  |  |  | < 0.01 |
 No | 222 (72.3) | 112 (62.9) | 110 (85.3) |  |
 Yes | 85 (27.7) | 66 (37.1) | 19 (14.7) |  |
No. anal biopsies |  |  |  | < 0.01 |
 0 | 149 (48.5) | 62 (34.8) | 87 (67.4) |  |
 1 | 109 (35.5) | 76 (42.7) | 33 (25.6) |  |
 2 | 46 (15.0) | 38 (21.4) | 8 (6.2) |  |
 3 | 3 (1.0) | 2 (1.1) | 1 (0.8) |  |
Anal biopsy results** |  |  |  | < 0.01 |
 Benign | 127 (41.6) | 54 (30.5) | 73 (57.0) |  |
 LSIL | 157 (51.5) | 108 (61.0) | 49 (38.3) |  |
 HSIL | 21 (6.9) | 15 (8.5) | 6 (4.7) |  |