Table 1.
Baseline characteristics of the study patients.
| Characteristic | No. (%) of patients | ||
|---|---|---|---|
| Clinical model (n = 1679) |
CD4 cell count model (n = 1663) |
CD4 cell count and HIV RNA level model (n = 1231) |
|
| Age, years | |||
| ≥40 | 693 (41.27) | 688 (41.37) | 571 (46.39) |
| 30–39 | 767 (45.68) | 760 (45.70) | 538 (43.70) |
| ≤29 | 219 (13.04) | 215 (12.93) | 122 (9.91) |
| Sex | |||
| Male | 1207 (71.89) | 1199 (72.10) | 907 (73.68) |
| Female | 472 (28.11) | 464 (27.90) | 324 (26.32) |
| Mode of HIV transmission | |||
| Heterosexual sex | 1217 (72.48) | 1203 (72.34) | 816 (66.29) |
| IDU | 74 (4.41) | 72 (4.33) | 44 (3.57) |
| MSM | 310 (18.46) | 310 (18.64) | 304 (24.70) |
| Other | 78 (4.65) | 78 (4.69) | 67 (5.44) |
| ART status before HAART initiation | |||
| Naive | 1351 (80.46) | 1336 (80.34) | 935 (75.95) |
| Experienced | 328 (19.54) | 327 (19.66) | 296 (24.05) |
| Previous AIDS-defining illness | |||
| No | 830 (49.43) | 821 (49.37) | 630 (51.18) |
| Yes | 849 (50.57) | 842 (50.63) | 601 (48.82) |
| BMI category | |||
| ≤18 | 195 (16.74) | 192 (11.55) | 114 (9.26) |
| >18 to 25 | 1203 (71.65) | 1191 (71.62) | 897 (72.87) |
| >25 | 281 (16.74) | 280 (16.84) | 220 (17.87) |
| ART status | |||
| Not receiving ART | 51 (3.04) | 51 (3.07) | 39 (3.17) |
| Receiving ART | 1628 (96.96) | 1612 (96.93) | 1192 (96.83) |
| Anemia | |||
| None | 855 (50.92) | 854 (51.35) | 734 (59.63) |
| Mild | 797 (47.47) | 783 (47.08) | 490 (39.81) |
| Severe | 27 (1.61) | 26 (1.56) | 7 (0.57) |
| ALT level, IU/L | |||
| Normal | 1664 (99.11) | 1647 (99.04) | 1223 (99.35) |
| Abnormal | 15 (0.89) | 16 (0.96) | 8 (0.65) |
| CD4 cell count, cells/µL | |||
| ≤50 | … | 135 (8.12) | 44 (3.57) |
| 51–200 | … | 431 (25.92) | 257 (20.88) |
| 201–350 | … | 499 (30.01) | 401 (32.58) |
| >350 | … | 598 (35.96) | 529 (42.97) |
| HIV load, copies/mL | |||
| ≤500 | … | … | 934 (75.87) |
| >500 | … | … | 297 (24.13) |
NOTE. ALT, alanine aminotransferase; ART, antiretroviral treatment; BMI, body mass index (calculated as the weight in kilograms divided by the square of the height in meters); IDU, injection drug use; MSM, men who have sex with men.