Table 1 Baseline characteristics of patients before and after propensity score matching
Variable | Before matching, No. (%) | After Matching, No. (%) | ||||
|---|---|---|---|---|---|---|
Untreated group | Treated group* | P value | Untreated group | Treated group* | P value | |
Number of patients | 212,820 | 18,365 | 18,365 | 18,365 | ||
Age, mean (SD), years | 49.45 (10.36) | 47.82 (9.53) | 48.00 (9.70) | 47.82 (9.53) | ||
Age group, years | < 0.001 | 0.9995 | ||||
30–40, n (%) | 48,238 (22.67) | 4,534 (24.69) | 4,532 (24.68) | 4,534 (24.69) | ||
41–50, n (%) | 61,017 (28.67) | 6,242 (33.99) | 6,233 (33.94) | 6,242 (33.99) | ||
51–60, n (%) | 69,253 (32.54) | 5,786 (31.51) | 5,794 (31.55) | 5,786 (31.51) | ||
60–70, n (%) | 34,312 (16.12) | 1,803 (9.82) | 1,806 (9.83) | 1,803 (9.87) | ||
Male sex, n (%) | 112,116 (52.68) | 11,158 (60.76) | < 0.001 | 11,161 (60.77) | 11,158 (60.76) | 0.9744 |
Socioeconomic status, n (%) | < 0.001 | 0.9960 | ||||
Household income > 75, n (%) | 82,882 (38.94) | 7,279 (39.64) | 7,271 (39.59) | 7,279 (39.64) | ||
Household income 25–75, n (%) | 80,210 (37.69) | 7,114 (38.74) | 7,116 (38.75) | 7,114 (38.74) | ||
Household income < 25, n (%) | 43,680 (20.52) | 3,475 (18.92) | 3,487 (18.99) | 3,475 (18.92) | ||
Unknown | 6,048 (2.84) | 497 (2.71) | 491 (2.67) | 497 (2.71) | ||
Level of health care, n (%) | < 0.001 | 0.9530 | ||||
Tertiary, n (%) | 55,088 (25.88) | 6,688 (36.42) | 6,670 (36.32) | 6,688 (36.42) | ||
Secondary, n (%) | 101,416 (47.65) | 8,604 (46.85) | 8,601 (46.83) | 8,604 (46.85) | ||
Primary, n (%) | 56,316 (26.46) | 3,073 (16.73) | 3,094 (16.85) | 3,073 (16.73) | ||
Cirrhosis, n (%) | 15,249 (7.17) | 5,586 (30.42) | < 0.001 | 5,577 (30.37) | 5,586 (30.42) | 0.9187 |
Preexisting comorbidity | ||||||
Diabetes mellitus, n (%) | 51,679 (24.28) | 3,447 (18.77) | < 0.001 | 3,436 (18.71) | 3,447 (18.77) | 0.8831 |
Hypertension, n (%) | 60,415 (38.39) | 4,018 (21.88) | < 0.001 | 3,996 (21.76) | 4,018 (21.88) | 0.7811 |
Dyslipidemia, n (%) | 103,031 (48.41) | 7,644 (41.62) | < 0.001 | 7,646 (41.63) | 7,644 (41.62) | 0.9831 |
Chronic kidney disease, n (%) | 2,754 (1.29) | 103 (0.56) | < 0.001 | 92 (0.5) | 103 (0.56) | 0.4296 |
Congestive heart failure, n (%) | 2,936 (1.38) | 157 (0.85) | < 0.001 | 146 (0.79) | 157 (0.85) | 0.5257 |
Ischemic heart disease, n (%) | 14,449 (6.79) | 840 (4.57) | < 0.001 | 812 (4.42) | 840 (4.57) | 0.4809 |
Traumatic brain injury, n (%) | 2,092 (0.98) | 136 (0.74) | 0.0013 | 116 (0.63) | 136 (0.74) | 0.2061 |