Table 1 Demographic and clinical characteristics of all study patients
Variables | Overall cohort | Matched cohort | ||||
|---|---|---|---|---|---|---|
Non-PCI(n = 206) | PCI(n = 285) | P-value | Non-PCI(n = 148) | PCI(n = 148) | P-value | |
Demographics | ||||||
Age, year | 85.4 ± 6.0 | 81.6 ± 4.7 | < 0.001 | 83.4 ± 5.6 | 82.6 ± 4.6 | 0.143 |
Gender, male | 95(46.1) | 189(66.3) | < 0.001 | 85(57.4) | 87(58.7) | 0.906 |
Weight, kg | 71.6 ± 14.3 | 74.3 ± 13.0 | 0.041 | 72.4 ± 14.6 | 73.6 ± 13.0 | 0.472 |
Height, cm | 169.5 ± 9.9 | 171.3 ± 9.5 | 0.066 | 169.4 ± 9.0 | 170.7 ± 9.9 | 0.222 |
BMI, kg/m2 | 24.6 ± 3.9 | 25.2 ± 3.8 | 0.096 | 25.0 ± 3.8 | 25.4 ± 4.0 | 0.387 |
Smoking | 71(34.5) | 136(47.7) | 0.001 | 47(31.7) | 68(45.9) | 0.017 |
Clinical Characteristics | ||||||
STEMI | 26(12.6) | 154(54.0) | < 0.001 | 20(13.5) | 76(51.3) | < 0.001 |
UNSTEMI | 164(78.9) | 95(35.4) | < 0.001 | 115(77.8) | 59(39.9) | < 0.001 |
Unstable angina pectoris | 17(8.3) | 35(12.2) | 0.181 | 14(9.5) | 12(8.1) | 0.838 |
Heart rate,bpm | 83.9 ± 21.3 | 77.4 ± 22.1 | 0.001 | 81.9 ± 22.6 | 79.0 ± 20.6 | 0.247 |
Systolic BP, mmHg | 144.4 ± 27.4 | 148.8 ± 26.3 | 0.083 | 145.6 ± 26.2 | 148.6 ± 26.6 | 0.332 |
Diastolic BP, mmHg | 82.6 ± 15.4 | 84.3 ± 16.1 | 0.242 | 83.7 ± 15.3 | 84.1 ± 14.3 | 0.848 |
Laboratory findings | ||||||
Hemoglobin, g/L | 128.7 ± 18.6 | 133.7 ± 15.9 | 0.003 | 130.1 ± 18.4 | 133.1 ± 15.7 | 0.128 |
eGFR, ml/min/1.73m2 | 47.2 ± 23.1 | 58.1 ± 20.1 | < 0.001 | 52.2 ± 23.7 | 56.5 ± 19.9 | 0.096 |
Creatinine, umol/L | 119.3 ± 89.8 | 100.2 ± 56.2 | 0.005 | 112.7 ± 94.6 | 99.3 ± 36.8 | 0.108 |
Comobidities | ||||||
Atrial fibrillation | 46(22.3) | 49(17.2) | 0.166 | 34(23.0) | 32(21.6) | 0.889 |
History of heart failure | 60(29.1) | 44(15.4) | < 0.001 | 33(22.3) | 35(23.6) | 0.890 |
Hypertension | 166(80.5) | 149(52.3) | < 0.001 | 108(73.0) | 99(66.9) | 0.311 |
Diabetes | 40(19.4) | 55(19.3) | 1.000 | 31(20.9) | 35(23.6) | 0.675 |
Hyperlipidaemia | 36(17.5) | 40(14.1) | 0.376 | 27(18.2) | 17(11.5) | 0.141 |
Kidney disease | 34(16.5) | 51(17.9) | 0.718 | 27(18.2) | 24(16.2) | 0.758 |
Pulmonary disease | 31(15.0) | 45(15.7) | 0.900 | 20(13.5) | 23(15.5) | 0.742 |
Peripheral vascular disease | 23(11.2) | 20(7.0) | 0.145 | 14(9.5) | 15(10.1) | 1.000 |
Anemia | 25(12.1) | 22(7.8) | 0.120 | 13(9.7) | 8(5.4) | 0.366 |
Malignancies | 15(7.3) | 36(12.6) | 0.071 | 13(8.9) | 19(13.8) | 0.349 |
Stroke | 51(24.8) | 30(10.5) | < 0.001 | 24(26.2) | 23(15.5) | 1.000 |
Prior CABG | 24(11.6) | 22(7.7) | 0.159 | 17(11.5) | 11(7.4) | 0.321 |
Prior PCI | 24(11.7) | 34(11.9) | 1.000 | 19(12.8) | 12(8.1) | 0.254 |
Prior valvar surgery | 6(2.9) | 2(0.7) | 0.074 | 4(2.7 | 1(0.7) | 0.371 |
Pacemaker | 14(6.8) | 15(5.3) | 0.562 | 8(5.4) | 9(6.1) | 1.000 |
Medications | ||||||
β- Blockers | 128(62.1) | 187(65.6) | 0.446 | 99(66.9) | 109(73.6) | 0.252 |
Aspirin, | 145(70.4) | 188(65.9) | 0.328 | 107(72.3) | 104(70.3) | 0.797 |
ACEI/ARB | 75(36.4) | 137(48.1) | 0.013 | 63(42.6) | 76(51.3) | 0.162 |
diuretics, | 101(49.1) | 80(28.1) | < 0.001 | 62(41.8) | 54(36.5) | 0.405 |
Spironolactone | 19(9.2) | 21(7.4) | 0.505 | 11(7.4) | 17(11.5) | 0.312 |
Statins | 60(29.1) | 141(49.5) | < 0.001 | 54(36.5) | 68(45.9) | 0.125 |
Digoxin | 18(8.7) | 18 (6.3) | 0.381 | 14(9.5) | 14(9.5) | 1.000 |