Table 1. Characteristics of participants registered into care in Vietnam with first CD4<250 cells/mm3 at time of enrollment.
| Characteristics | Earlier entry(< = 3 months) | Delayed entry(>3 months) | Total |
| N = 107 | N = 89 | N = 196 | |
| n (%) | n (%) | n (%) | |
| Age (Median, years) | 34 | 33 | 33.5 |
| CD4 count (Median,cell/mm3) | 73 | 65 | 68 |
| Gender | |||
| Male | 69 (64) | 51 (57) | 120 (61) |
| Female | 38 (36) | 38 (43) | 76 (39) |
| Location | |||
| Urban | 53 (50) | 62 (70) | 115 (59) |
| Rural | 54 (50) | 27 (30) | 81 (41) |
| Risk factor fortransmission* | |||
| History of IDU | 20 (19) | 44 (49) | 64 (33) |
| Heterosexual sex | 85 (79) | 48 (54) | 133 (68) |
| MSM | 2 (2) | 1 (1) | 4 (2) |
| Place of first HIVpositive test | |||
| At this OPC | 59 (55) | 33 (37) | 92 (47) |
| Other site | 48 (45) | 56 (63) | 104 (53) |
| Ever register at other OPC | |||
| No | 106 (99) | 54 (61) | 160 (82) |
| Yes | 1 (1) | 35 (39) | 36 (18) |
| Ever take ARVfrom other site | |||
| No | 106 (99) | 64 (72) | 170 (87) |
| Yes | 1 (1) | 25 (28) | 26 (13) |
| Any delay in gettingthe HIV test? | |||
| No | 24 (22) | 47 (53) | 71 (36) |
| Yes | 83 (78) | 42. (47) | 125 (64) |
IDU, injection drug use; MSM, men who have sex with men; OPC, outpatient clinic.
*participants could report more than one risk factor for transmission.