Table 1 Baseline characteristics of Grupo Argentino de Seroconversión cohort (N = 134)

Age at HIV diagnosis, mean years (SD)

33.4 (10.7)

33.8 (10.37)

32.2 (11.64)

0.44

Male sex, n (%)

109 (81.3)

79 (79.8)

30 (85.8)

0.61

High school education or more, n (%)

79 (75.2)

59 (72.8)

20 (83.4)

0.3

Born in Buenos Aires, n (%)

74 (67.9)

56 (67.5)

18 (69.2)

0.61

Employed, n (%)

82 (70.7)

62 (70.5)

20 (71.4)

0.89

Reason for HIV test, n (%)

Physician's suspicion

61 (48.4)

56 (59.6)

5 (15.6)

< 0.001

Patient request

42 (33.3)

27 (28.7)

15 (46.9)

Routine

23 (18.3)

11 (11.7)

12 (37.5)

Risk factor for HIV transmission, n (%)

MSM

71 (53)

51 (51.5)

20 (57.1)

0.788

Heterosexual

50 (37.3)

38 (38.4)

12 (34.3)

IDU

1 (0.7)

1 (1)

0 (0)

Missing

12 (9)

9 (9)

3 (8.6)

HIV RNA, median log₁₀ copies/mL

(IQR)

4.87

(4.11-5.51)

5.12

(4.49-5.69)

4.36

(3.43-4.95)

< 0.001

CD4 cell count, median cells/mm³

(IQR)

479

(341-682)

466

(327-609)

533

(425-814)

0.019

HAART initiation, n (%)

42 (31.3)

39 (39.4)

3 (8.6)

0.003