Table 1 Demographic and clinical characteristics of study participants. Data shown as median (interquartile range) or n (%). Data are reported at time of plasma biomarker assessment.
Viral suppression | Untreated HIV | |||
|---|---|---|---|---|
Cases n = 77 | Controls n = 77 | Cases n = 42 | Controls n = 42 | |
Demographics | ||||
Age (years) | 36.0 (31.0, 44.0) | 35.0 (31.0, 41.0) | 36.0 (29.8, 44.5) | 37.0 (29.3, 42.0) |
Female | 16 (20.8%) | 16 (20.8%) | 16 (38.1%) | 22 (52.4%) |
Race | ||||
Black | 23 (29.9%) | 19 (24.7%) | 28 (66.7%) | 14 (33.3%) |
Latino/Hispanic | 7 (9.1%) | 20 (26.0%) | 5 (11.9%) | 8 (19.0%) |
Asian | 23 (29.9%) | 10 (13.0%) | 1 (2.4%) | 7 (16.7%) |
White | 24 (31.2%) | 28 (36.4%) | 8 (19.0%) | 12 (28.6%) |
Other | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | 1 (2.4%) |
Region | ||||
Africa | 21 (27.3%) | 17 (22.1%) | 25 (59.5%) | 14 (33.3%) |
Asia | 23 (29.9%) | 10 (13.0%) | 1 (2.4%) | 7 (16.7%) |
Europe/Israel/Australia | 15 (19.5%) | 23 (29.9%) | 3 (7.1%) | 10 (23.8%) |
Latin America | 10 (13.0%) | 20 (26.0%) | 11 (26.2%) | 10 (23.8%) |
United States | 8 (10.4%) | 7 (9.1%) | 2 (4.8%) | 1 (2.4%) |
HIV history | ||||
Likely mode of HIV infection | ||||
Injection drug use | 1 (1.3%) | 1 (1.3%) | 0 (0.0%) | 0 (0.0%) |
Male sexual contact with person of same sex | 47 (61.0%) | 51 (66.2%) | 12 (28.6%) | 15 (35.7%) |
Sexual contact with person of opposite sex | 27 (35.1%) | 23 (29.9%) | 30 (71.4%) | 24 (57.1%) |
Other/unknown | 2 (2.6%) | 2 (2.6%) | 0 (0.0%) | 3 (7.1%) |
Years HIV positive | 0.8 (0.3, 3.0) | 0.9 (0.3, 2.1) | 1.6 (0.5, 3.4) | 2.1 (0.8, 5.5) |
HIV lab data | ||||
CD4 + T cell count (cells/mm3) | 747 (621, 947) | 747 (628, 880) | 722 (583, 831) | 674 (580, 838) |
CD8 + T cell count (cells/mm3) | 806 (628, 925) | 723 (573, 963) | 926 (745, 1115) | 961 (709, 1288) |
CD4 + /CD8 + ratio | 0.99 (0.76, 1.24) | 1.01 (0.73, 1.31) | 0.77 (0.55, 1.05) | 0.74 (0.51, 0.90) |
HIV-RNA (log10 copies/ml) | 1.3 (1.3, 1.6) | 1.3 (1.3, 1.6) | 3.8 (3.1, 4.3) | 3.9 (3.4, 4.4) |
Medical history at study entry | ||||
Body mass index (kg/m2) | 25.2 (21.2, 27.0) | 24.1 (22.0, 27.3) | 25.5 (21.6, 27.4) | 24.0 (21.8, 28.4) |
Current smoker | 19 (24.7%) | 19 (24.7%) | 11 (26.2%) | 11 (26.2%) |
Prior cardiovascular disease | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) |
Hypertension | 15 (80.5%) | 9 (11.7%) | 10 (23.8%) | 5 (11.9%) |
Diabetes | 1 (1.3%) | 1 (1.3%) | 0 (0%) | 0 (0%) |
Hepatitis B or C | 4 (5.2%) | 5 (6.5%) | 1 (2.4%) | 2 (4.8%) |
Lung function, at first included measurement | ||||
FEV1 (l) | 3.54 (3.01, 4.01) | 3.64 (2.85, 4.15) | 3.15 (2.72, 3.58) | 2.86 (2.24, 3.75) |
FVC (l) | 4.20 (3.54, 5.11) | 4.44 (3.56, 5.05) | 3.72 (3.26, 4.53) | 3.53 (2.85, 4.71) |
FEV1/FVC ratio | 0.83 (0.80, 0.86) | 0.82 (0.80, 0.85) | 0.83 (0.79, 0.87) | 0.84 (0.78, 0.88) |
< 0.7 | 4 (5.2%) | 0 (0%) | 0 (0%) | 4 (9.5%) |
< Lower limit of normala | 4 (5.2%) | 1 (1.3%) | 1 (2.4%) | 2 (4.8%) |
FEV1 as % of predicted1 | 97.1 (86.4, 105.0) | 95.6 (88.2, 102.9) | 95.6 (89.8, 102.0) | 95.7 (85.1, 107.7) |