Table 2 Preoperative patient baseline information
preoperative information | total (n = 1067) | PPM group (n = 189) | non-PPM group (n = 878) | P value |
|---|---|---|---|---|
Age, y | 56(48–62) | 63(55–67) | 54(46–61) | < 0.001 |
Male | 379(35.5%) | 89(47.1%) | 290(33.0%) | < 0.001 |
Height, cm | 160.72 ± 7.82 | 163.26 ± 7.87 | 160.17 ± 7.71 | < 0.001 |
Weight, kg | 57.72 ± 10.33 | 62.42 ± 10.23 | 56.70 ± 10.07 | < 0.001 |
BMI, kg/m2 | 22.29 ± 3.67 | 23.34 ± 2.86 | 22.07 ± 3.79 | < 0.001 |
BSA, m2 | 1.57 ± 0.16 | 1.64 ± 0.17 | 1.55 ± 0.16 | < 0.001 |
Smoking history | 123(11.5%) | 32(16.9%) | 91(10.4%) | 0.016 |
Diabetes | 102(9.6%) | 22(11.6%) | 80(9.2%) | NS |
Hypertention | 192(18.0%) | 47(24.9%) | 145(16.5%) | 0.009 |
Cerebrovascular accident | 34(3.2%) | 6(3.2%) | 28(3.2%) | NS |
Coronary heart disease | 22(2.1%) | 9(4.8%) | 13(1.5%) | 0.009 |
NYHA functional class (≥ III) | 400(37.5%) | 77(40.7%) | 323(36.8%) | NS |
Atrial fibrillation | 533(50.0%) | 92(48.7%) | 441(50.2%) | NS |
Previous cardiac surgery | 54(5.1%) | 8(4.2%) | 46(5.2%) | NS |
Previous MI | 1(0.1%) | 0(0.0%) | 1(0.1%) | NS |
Mitral stenosis | 786(76.7%) | 128(67.7%) | 658(74.9%) | 0.036 |
MR (moderate to severe) | 470(44.0%) | 88(46.5%) | 382(43.5%) | NS |
LVEF | 62.11 ± 8.48 | 62.23 ± 8.95 | 62.09 ± 8.38 | NS |
LVdD, mm | 50(45–56) | 51(46–58) | 50(45–56) | NS |
LAD, mm | 51.36 ± 12.04 | 51.36 ± 11.93 | 51.36 ± 12.07 | NS |
Emergency surgery | 2(0.2%) | 0(0.0%) | 0(0.0%) | NS |
Aspirin within 5 days | 29(2.7%) | 9(4.8%) | 20(2.3%) | NS |
Clopidogrel within 5 days | 19(1.8%) | 6(3.2%) | 13(1.5%) | NS |