Table 1. Characteristics of HIV patients ART at baseline and the rates of retention at 6 and 12 months of regimen switching.
| Characteristics | N(%) |
|---|---|
| Overall | 303 |
| Age (mean ± SD, year) | 48.0 ± 8.6 |
| Sex | |
| Male | 118(38.9) |
| Female | 185(61.1) |
| Marital status | |
| Married | 266(87.8) |
| Other | 37(12.2) |
| Possible HIV transmission route | |
| Blood donation | 284(93.7) |
| Sexual contact | 16(5.3) |
| Others | 3(1.0) |
| HCV antibody test | |
| Negative | 45(14.9) |
| Positive | 258(85.1) |
| Initial ART regimen* | |
| DDI + AZT/D4T + NVP | 175(57.7) |
| AZT + 3TC + NVP/EFV | 62(20.5) |
| D4T + 3TC + NVP/EFV | 55(18.1) |
| other | 11(3.6) |
| Duration of receiving first-line ART regimen (median, month)* | 89 |
| CD4 count (cell/mm3) before switching to the second-line ART | |
| 200 or above | 242(80.4) |
| 0–199 | 59(19.6) |
| HIV RNA ≥ 1000 copies/ml before switching to the second-line ART | 90(29.7) |
| Reasons for not retained at 6 months | |
| Death | 5(1.6) |
| Loss to follow-up | 9(3.0) |
| Reasons for not retained at 12 months | |
| Death | 4(1.3) |
| Loss to follow-up | 11(5.0) |
| Retention at 12-month follow-up study | 283(93.4) |
| Duration of follow-up (median, month) | 10.0 |
Note: *variables related the initiate regimen; all other variables were collected before the patients switching drugs.