Table 2.
Comparison of the two groups' lesion characteristics and surgical data (332 lesions)
| Variable | RA/DCB (n = 58) | RA/DES (n = 274) | χ2/Z | p-value |
|---|---|---|---|---|
| Approach | 0.547 | 0.460 | ||
| Via radial artery, n (%) | 49.00 (84.48) | 220 (80.29) | ||
| Via femoral artery, n (%) | 9.00 (15.52) | 54 (19.71) | ||
| Sheath size, French (F) | 0.194 | 0.659 | ||
| 6F, n (%) | 28.00 (48.28) | 141 (51.46) | ||
| 7F, n (%) | 30.00 (51.72) | 133 (48.54) | ||
| Target-vessel, n (%) | 24.610 | < 0.001 | ||
| LM, n (%) | 1 (1.72) | 67 (24.45) | ||
| LAD, n (%) | 42 (72.41) | 152 (55.47) | ||
| LCX, n (%) | 7 (12.07) | 13 (4.74) | ||
| RCA, n (%) | 8 (13.79) | 42 (15.33) | ||
| CTO, n (%) | 6 (10.34) | 25 (9.12) | 0.084 | 0.772 |
| Bifurcation, n (%) | 2 (3.45) | 51 (18.61) | 7.114 | 0.008 |
| Triple vessel disease, n (%) | 20 (34.48) | 119 (43.43) | 1.575 | 0.210 |
| IVUS/OCT, n (%) | 34 (58.62) | 106 (38.69) | 7.800 | 0.005 |
| Temporary peacemaker, n (%) | 2 (3.45) | 18 (6.57) | 0.365 | 0.546 |
| IABP, n (%) | 1 (1.72) | 10 (3.65) | 0.116 | 0.733 |
| Number of burrs, n | 1.17 ± 0.43 | 1.29 ± 0.53 | 1.589 | 0.112 |
| Largest burr size, mm | 1.60 ± 0.19 | 1.54 ± 0.16 | 2.502 | 0.012 |
| Burr/artery ratio | 0.61 ± 0.09 | 0.52 ± 0.06 | 7.063 | < 0.001 |
| Number of devices, n | 1.57 ± 0.65 | 2.17 ± 0.79 | 5.406 | < 0.001 |
| Diameter of device, mm | 2.68 ± 0.38 | 2.99 ± 0.34 | 5.695 | < 0.001 |
| Total length of device, mm | 42.60 ± 17.42 | 52.16 ± 20.76 | 3.521 | < 0.001 |
LM, left main artery; LAD, left anterior descending artery; LCX, left circumflex artery; RCA, right coronary artery; CTO, chronic total occlusion; IVUS, intravascular ultrasound; OCT, optical coherence tomography; IABP, intra-aortic balloon pump