Table 1 Clinical characteristics of the two groups Number(%) M(P25,P75), mean ± SD
From: Predictors and prognosis of PCI-related myocardial injury in chronic total occlusion
|  | PMI group(n = 42) | Control group (n = 82) | P value |
|---|---|---|---|
Age＞65years | 25(59.5) | 47(57.3) | 0.814 |
Female gender | 16(38.1) | 28(43.1) | 0.664 |
BMI(Kg/m2) | 25.3 ± 3.6 | 24.5 ± 3.1 | 0.322 |
BMI＞28Kg/m2 | 9(21.4) | 14(17.1) | 0.555 |
Smoke,current | 21(50.0) | 45(54.9) | 0.606 |
Hypertension | 25(59.5) | 42(51.2) | 0.380 |
Diabetes | 23(54.8) | 26(31.7) | 0.013 |
Hyperlipidaemia | 23(54.8) | 11(13.4) | ＜0.001 |
Creatinine(µmol/l) | 78.6 ± 39.2 | 77.6 ± 23.4 | 0.744 |
CRP rise | 18(42.9) | 27(32.9) | 0.276 |
LVEF % | 43.2 ± 7.2 | 47.2 ± 8.0 | 0.027 |
Anemia | 13(31.0) | 17(20.7) | 0.208 |
Prior myocardial infarction | 23(54.8) | 28(34.1) | 0.020 |
Prior stroke | 18(42.9) | 34(41.5) | 0.882 |
Prior PCI | 24(57.1) | 18(22.0) | ＜0.001 |
Prior CABG | 6(14.3) | 2(2.4%) | 0.011 |