Table 1 Demographics and HIV diagnosis and ART initiation among PLHIV in China 1 January 2015 to 31 December 2019

Total number in study period

75,516

19,938

55,578

Gender (%)

 < 0.001

 Male

63,279 (83.8%)

16,970 (85.1%)

46,309 (83.3%)

 Female

12,237 (16.2%)

2968 (14.9%)

9269 (16.7%)

Age, years (%)

 < 0.001

  Median (IQR)

39 (28–53)

36 (27–49)

40 (28–54)

 0–25

13,525 (17.9%)

4038 (20.3%)

9487 (17.1%)

 26–35

21,959 (29.1%)

6468 (32.4%)

15,491 (27.9%)

 36–50

19,961 (26.4%)

5526 (27.7%)

14,435 (26.0%)

  > 50

20,071 (26.6%)

3906 (19.6%)

16,165 (29.1%)

Region (%)

 < 0.001

 Northern China

14,005 (18.5%)

4170 (20.9%)

9835 (17.7%)

 Northeastern China

8238 (10.9%)

2197 (11.0%)

6041 (10.9%)

 Southern China

13,238 (17.5%)

3862 (19.4%)

9376 (16.9%)

 Southwestern China

37,163 (49.2%)

8793 (44.1%)

28,370 (51.0%)

Route of transmission (%)

 < 0.001

 Heterosexual

32,030 (42.4%)

7125 (35.7%)

24,905 (44.8%)

 Homosexual

27,227 (36.1%)

8050 (40.4%)

19,177 (34.5%)

 Others

16,259 (21.5%)

4763 (23.9%)

11,496 (20.7%)

Estimated time from infection to diagnosis (year)

 < 0.001

 Median (IQR)

5.9 (3.2–9.4)

5.3 (3.0–8.2)

6.1 (3.3–9.9)

 Time from diagnosis to ART initiation (day)

 < 0.001

 Median (IQR)

26 (12–98)

41 (18–256)

22 (11–65)

 CD4 at ART initiation (cells/μl)

 < 0.001

 Median (IQR)

247 (114–376)

277 (158–389)

235 (98–370)