Table 1.
Baseline clinical characteristics and laboratory findings
| Characteristic | Entire patients |
Matched patients |
||||
|---|---|---|---|---|---|---|
| Radial (n = 220) | Femoral (n = 469) | p value | Radial (n = 171) | Femoral (n = 171) | p value | |
| Male sex | 182 (82.7) | 359 (76.5) | 0.065 | 140 (81.8) | 140 (81.8) | NS |
| Age, yr | 62.7 ± 12.2 | 61.8 ± 12.4 | 0.432 | 61.9 ± 12.4 | 62.9 ± 12.0 | 0.399 |
| LV ejection fraction, % | ||||||
| Before procedure | 50.3 ± 9.5 | 50.6 ± 10.1 | 0.804 | 50.0 ± 9.5 | 51.7 ± 10.7 | 0.250 |
| After procedure | 51.2 ± 10.3 | 52.1 ± 11.1 | 0.300 | 51.1 ± 9.9 | 52.1 ± 10.2 | 0.344 |
| Past history | ||||||
| Hypertension | 113 (51.3) | 165 (35.1) | < 0.001 | 81 (47.3) | 83 (48.5) | 0.829 |
| Diabetes | 59 (26.8) | 85 (18.1) | 0.009 | 40 (23.3) | 37 (21.6) | 0.698 |
| Dyslipidemia | 57 (25.9) | 103 (21.9) | 0.253 | 45 (26.3) | 46 (26.9) | 0.903 |
| Stroke | 17 (7.7) | 14 (2.9) | 0.005 | 12 (7.0) | 11 (6.4) | 0.829 |
| Heart failure | 4 (1.8) | 8 (1.7) | NS | 3 (1.7) | 4 (2.3) | NS |
| Peripheral artery disease | 3 (1.3) | 1 (0.2) | 0.098 | 1 (0.5) | 1 (0.5) | NS |
| Chronic kidney disease | 4 (1.8) | 8 (1.7) | NS | 2 (1.1) | 2 (1.1) | NS |
| History of smoking | 143 (65.0) | 202 (43.0) | < 0.001 | 109 (63.7) | 104 (60.8) | 0.577 |
| Current smokers | 115 (52.2) | 169 (36.0) | < 0.001 | 87 (50.8) | 84 (49.1) | 0.746 |
| Prior myocardial infarction | 9 (4.0) | 10 (2.1) | 0.143 | 5 (2.9) | 3 (1.7) | 0.723 |
| Prior PCI | 12 (5.4) | 18 (3.8) | 0.332 | 8 (4.6) | 10 (5.8) | 0.628 |
| Laboratory findings | ||||||
| Hemoglobin, mg/dL | 14.3 ± 1.8 | 14.1 ± 1.8 | 0.144 | 14.3 ± 1.8 | 14.1 ± 1.9 | 0.377 |
| CK-MB, mg/dL | 64 ± 181 | 43 ± 95 | 0.889 | 27 ± 59 | 0.105 | |
| Troponin T, ng/dL | 1.0 ± 2.6 | 1.0 ± 2.4 | 0.247 | 1.2 ± 3.0 | 1.2 ± 2.5 | 0.454 |
| Creatinine, mg/dL | 0.9 ± 0.3 | 1.0 ± 0.5 | 0.750 | 0.9 ± 0.2 | 0.9 ± 0.3 | 0.788 |
| Total cholesterol, mg/dL | 179 ± 44 | 182 ± 40 | 0.263 | 178 ± 44 | 180 ± 36 | 0.735 |
| Triglyceride, mg/dL | 121 ± 85 | 115 ± 87 | 0.108 | 119 ± 84 | 115 ± 81 | 0.510 |
| HDL-C, mg/dL | 40 ± 11 | 40 ± 9 | 0.657 | 41 ± 11 | 39 ± 8 | 0.510 |
| LDL-C, mg/dL | 113 ± 36 | 117 ± 35 | 0.256 | 113 ± 38 | 115 ± 33 | 0.693 |
| Serum glucose, mg/dL | 160 ± 64 | 169 ± 68 | 0.100 | 159 ± 65 | 171 ± 72 | 0.046 |
| Hemoglobin A1c, % | 6.4 ± 1.3 | 6.5 ± 1.5 | 0.660 | 6.4 ± 1.2 | 6.6 ± 1.7 | 0.441 |
Values are presented as number (%) or mean ± SD.
NS, not significant (> 0.999); LV, left ventricle; PCI, percutaneous coronary intervention; CK-MB, creatine kinase-MB; HDL-C, high density lipoprotein cholesterol; LDL-C, low density lipoprotein cholesterol.