Table 1 Baseline characteristics before and after propensity score matching
Baseline characteristics | Baseline characteristic | P value | Baseline characteristics | P value | ||
|---|---|---|---|---|---|---|
Before PSM | After PSM | |||||
Conservative group (n = 376) | PCI group (n = 279) | Conservative group (n = 315) | PCI group (n = 188) | |||
Male, n(%) | 254(67.6) | 202(72.4) | 0.182 | 221(70.2) | 131(69.7) | 0.910 |
Age, Mean (SD), years | 66.8 ± 9.5 | 64.6 ± 10.2 | 0.005 | 66.5 ± 9.7 | 65.3 ± 10.3 | 0.195 |
≤ 65 n(%) | 172(45.7) | 149(53.4) | 0.052 | 152(48.3) | 90(47.9) | 0.934 |
> 65 n(%) | 204(54.3) | 130(46.6) | 163(51.7) | 98(52.1) | ||
Smoking, n(%) | 85(22.6) | 101(36.2) | < 0.001 | 80(25.4) | 57(30.3) | 0.230 |
Hypertension, n(%) | 192(51.1) | 178(63.8) | 0.001 | 178(56.5) | 108(57.4) | 0.837 |
Diabetes, n(%) | 96(25.5) | 67(24.0) | 0.657 | 80(25.4) | 51(27.1) | 0.669 |
Hyperlipidemia, n(%) | 19(5.1) | 13(4.7) | 0.817 | 16(5.1) | 8(4.3) | 0.675 |
Unstable angina, n(%) | 111(29.5) | 190(68.1) | < 0.001 | 111(35.2) | 103(54.8) | < 0.001 |
CCSC, n(%) | ||||||
0 | 38(10.1) | 0(0) | < 0.001 | 24(7.6) | 0(0) | < 0.001 |
1 | 183(48.7) | 121(43.4) | 150(47.6) | 86(45.7) | ||
2 | 117(31.1) | 141(50.5) | 106(33.7) | 88(46.8) | ||
3 | 38(10.1) | 17(6.1) | 35(11.1) | 14(7.4) | ||
FFRCT, median (IQR) | 0.85(0.70, 0.91) | 0.75(0.61, 0.86) | < 0.001 | 0.83(0.69, 0.89) | 0.77(0.65, 0.87) | 0.008 |
≤ 0.8, n(%) | 147(39.1) | 173(62.0) | < 0.001 | 140(44.4) | 108(57.4) | |
> 0.8, n(%) | 229(60.9) | 106(38.0) | 175(55.6) | 80(42.6) | 0.005 | |
MACE, n(%) | 77(20.5) | 41(14.7) | 0.035 | 74(23.5) | 28(14.9) | 0.020 |