Table 1.
Baseline demographics and clinical characteristics of patients in training cohort and validation cohort.
| Variables | Training set (N = 525) | Validation set (N = 225) | P |
|---|---|---|---|
| Discrete variables | |||
| Gender | 0.119 | ||
| Men | 436(83.0) | 197(87.6) | |
| Woman | 89(17.0) | 28(12.4) | |
| Hepatitis B Virus | 0.849 | ||
| Positive | 68(13.0) | 28(12.4) | |
| Negative | 457(87.0) | 197(87.6) | |
| Tuberculosis | 0.932 | ||
| Yes | 24(4.6) | 9(4.0) | |
| No | 488(93.0) | 210(93.3) | |
| Missing | 13(2.5) | 6(2.7) | |
| WHO | 0.507 | ||
| Ⅰ | 265(50.5) | 125(55.6) | |
| Ⅱ | 53(10.1) | 17(7.6) | |
| Ⅲ | 157(29.9) | 65(28.9) | |
| Ⅳ | 50(9.5) | 18(8.0) | |
| Infection pathway | 0.915 | ||
| NMHR | 304(57.9) | 134(59.6) | |
| MSM | 158(30.1) | 65(28.9) | |
| Others | 63(12.0) | 26(11.6) | |
| Occupation | 0.506 | ||
| Farmer | 128(24.4) | 62(27.6) | |
| Business people | 99(18.9) | 45(20.0) | |
| House keeping | 124(23.6) | 40(17.8) | |
| Worker | 73(13.9) | 32(14.2) | |
| Others | 101(19.2) | 46(20.4) | |
| History STD | 0.490 | ||
| Yes | 88(16.8) | 30(13.3) | |
| No | 310(59.0) | 137(60.9) | |
| Missing | 127(24.2) | 58(25.8) | |
| Participants category | 0.730 | ||
| Fixed population | 407(77.5) | 177(78.7) | |
| Floating population | 118(22.5) | 48(21.3) | |
| Education | 0.097 | ||
| Illiterate or elementary school | 192(36.6) | 85(37.8) | |
| Senior middle school | 78(14.9) | 38(16.9) | |
| Junior high school | 207(39.4) | 71(31.6) | |
| College and above | 48(9.1) | 31(13.8) | |
| Marital status | 0.523 | ||
| Married | 277(52.8) | 113(50.2) | |
| Unmarried | 248(47.2) | 112(49.8) | |
| Disease stage | 0.379 | ||
| HIV | 278(53.0) | 127(56.4) | |
| AIDS | 247(47.0) | 98(43.6) | |
| Origin of identification | 0.418 | ||
| CDC | 136(25.9) | 49(21.8) | |
| Hospital | 317(60.4) | 140(62.2) | |
| Others | 72(13.7) | 36(16.0) | |
| Viral load, copies/mL | 0.508 | ||
| <200 | 413(78.7) | 175(77.8) | |
| 200–1000 | 16(3.0) | 4(1.8) | |
| ≥1000 | 96(18.3) | 46(20.4) | |
| Continuous variables | |||
| Age, year | 49.7(37.3,63.5) | 48.2(38.2,61.9) | 0.624 |
| Body mass index, kg/m2 | 21.3(19.3,23.7) | 21.2(19.1,23.3) | 0.347 |
| CD4+ T-lymphocyte count, cells/μL | 208.3(86.0,328.0) | 203.0(93.9,299.0) | 0.430 |
| CD8+ T-lymphocyte count, cells/μL | 861.0(535.0,1272.0) | 838.0(581.1,1208.0) | 0.870 |
| White blood cell, 109/L | 5.3(4.2,6.8) | 5.1(4.1,6.5) | 0.175 |
| Platelet, 109/L | 186.0(144.0,224.0) | 191.5(145.0,236.0) | 0.495 |
| Haemoglobin, g/L | 136.7(118.0,149.0) | 135.0(119.0,150.0) | 0.933 |
| Creatinine, μmol/L | 70.0(58.6,81.0) | 70.1(58.3,83.0) | 0.610 |
| Triglyceride, mmol/L | 1.5(1.0,2.4) | 1.4(1.0,2.4) | 0.576 |
| Total cholesterol, mmol/L | 4.1 ± 0.9 | 4.1 ± 0.9 | 0.717 |
| Fasting plasma glucose, mmol/L | 5.3(4.7,6.6) | 5.4(4.6,6.9) | 0.916 |
| Aspartate transaminase, U/L | 25.0(19.0,34.0) | 23.0(19.0,35.0) | 0.449 |
| Alanine aminotransferase, U/L | 21.6(15.0,34.0) | 21.0(15.0,35.0) | 0.761 |
| Total bilirubin, μmol/L | 10.8(7.7,15.4) | 10.3(7.2,15.6) | 0.678 |
Abbreviations: NMHR, Non-marital heterosexual transmission; MSM, men who have sex with men; CDC, centre for disease prevention and control; STD, sexually transmitted disease.