Effects of Chinese Medicine on the Survival of AIDS Patients Administered Second-Line ART in Rural Areas of China: A Retrospective Cohort Study Based on Real-World Data

Table 1

Comparisons of baseline data of the CM + ART and ART groups before and after PSM.

Variables	Before PSM			After PSM
	ART (n = 3,325)	CM + ART (n = 855)	value	ART (n = 1,699)	CM + ART (n = 855)	value
Gender			0.476			0.945
Female	1545 (46.5%)	385 (45.0%)		930 (54.7%)	470 (55.0%)
Male	1780 (53.5%)	470 (55.0%)		769 (45.3%)	385 (45.0%)
Age (years)			0.002			0.936
18–40	591 (17.8%)	110 (12.9%)		210 (12.4%)	110 (12.9%)
40–50	1547 (46.5%)	412 (48.2%)		823 (48.4%)	412 (48.2%)
50–65	1187 (35.7%)	333 (38.9%)		666 (39.2%)	333 (38.9%)
Marital status			0.430			0.930
Married	2728 (82.0%)	712 (83.3%)		1411 (83.0%)	712 (83.3%)
Single/widow	597 (18.0%)	143 (16.7%)		288 (17.0%)	143 (16.7%)
Ethnicity			0.774			0.740
Han	3311 (99.6%)	851 (99.5%)		1693 (99.6%)	851 (99.5%)
Others	14 (0.42%)	4 (0.47%)		6 (0.35%)	4 (0.47%)
Occupation			0.712			0.144
Farmer	3209 (96.5%)	828 (96.8%)		1663 (97.9%)	828 (96.8%)
Others	116 (3.49%)	27 (3.16%)		36 (2.12%)	27 (3.16%)
Educational status			0.112			0.539
≤6 years	1021 (30.7%)	238 (27.8%)		452 (26.6%)	238 (27.8%)
>6 years	2304 (69.3%)	617 (72.2%)		1247 (73.4%)	617 (72.2%)
Route of infection			<0.001			0.577
Others	719 (21.6%)	120 (14.0%)		1445 (85.1%)	735 (86.0%)
Plasma	2606 (78.4%)	735 (86.0%)		254 (14.9%)	120 (14.0%)
Time on HIV positive (years)			0.066			0.735
<3	683 (20.5%)	159 (18.6%)		82 (4.83%)	36 (4.21%)
3–8	1013 (30.5%)	295 (34.5%)		888 (52.3%)	456 (53.3%)
>8	1629 (49.0%)	401 (46.9%)		729 (42.9%)	363 (42.5%)
Time on ART before second-line (years)			<0.001			0.974
<3	323 (9.71%)	36 (4.21%)		322 (19.0%)	159 (18.6%)
3–6	1756 (52.8%)	456 (53.3%)		586 (34.5%)	295 (34.5%)
>6	1246 (37.5%)	363 (42.5%)		791 (46.6%)	401 (46.9%)
Symptoms			0.069			0.924
No	2083 (62.6%)	565 (66.1%)		1118 (65.8%)	565 (66.1%)
Yes	1242 (37.4%)	290 (33.9%)		581 (34.2%)	290 (33.9%)
CD4 cell count (cells/μl)			0.002			0.902
>500	719 (21.6%)	149 (17.4%)		315 (18.5%)	149 (17.4%)
350–500	686 (20.6%)	162 (18.9%)		311 (18.3%)	162 (18.9%)
200–350	973 (29.3%)	301 (35.2%)		588 (34.6%)	301 (35.2%)
<200	947 (28.5%)	243 (28.4%)		485 (28.5%)	243 (28.4%)
Viral load			0.833			0.678
<500	2069 (62.2%)	536 (62.7%)		1075 (63.3%)	536 (62.7%)
500–10000	636 (19.1%)	156 (18.2%)		323 (19.0%)	156 (18.2%)
>10000	620 (18.6%)	163 (19.1%)		301 (17.7%)	163 (19.1%)

PSM, propensity score matching; HIV, human immunodeficiency virus; ART, antiretroviral therapy.