Table 1. Comparison of Patency Rates of Radial Artery and Saphenous Vein Grafts According to Various Clinical Parameters a, b.
| RA Grafts (n = 30) | SV Grafts (n = 44) | |||||
|---|---|---|---|---|---|---|
| Patent | Occluded | P Value | Patent | Occluded | P Value | |
| Age, y | 1.000 | 0.302 | ||||
| ≥ 70 | 2 (8) | 0 (0) | 4 (13) | 0 (0) | ||
| < 70 | 23 (92) | 5 (100) | 27 (87) | 13 (100) | ||
| Gender | 0.011 | 0.237 | ||||
| Male | 21 (84) | 1 (20) | 22 (71) | 12 (92) | ||
| Female | 4 (16) | 4 (80) | 9 (29) | 1 (8) | ||
| LVEF, % | 1.000 | 0.544 | ||||
| ≤ 30 | 2 (8) | 0 (0) | 3 (10) | 0 (0) | ||
| > 30 | 23 (92) | 5 (100) | 28 (90) | 13 (100) | ||
| RF, No. | 0.121 | 0.017 | ||||
| 0 | 7 (28) | 1 (20) | 8 (26) | 5 (39) | ||
| 1 | 10 (40) | 0 (0) | 7 (23) | 7 (54) | ||
| ≥2 | 8 (32) | 4 (80) | 16 (51) | 1 (7) | ||
a Data are presented as No. (%).
b Abbreviations: LVEF, left ventricular ejection fraction; RA, radial artery; RF, risk factors; SV, saphenous vein.