Table 2.
Lesion and treatment characteristics in the diabetes and the non-diabetes groups.
| Variables | Total population ( n = 719) | P-value | Propensity-matched patients ( n = 578) | P-value | ||
|---|---|---|---|---|---|---|
| Diabetes (n = 316) | Non-diabetes (n = 403) | Diabetes (n = 289) | Non-diabetes (n = 289) | |||
| Characteristics of CTO lesion | ||||||
| One CTO lesion | 244 (77.2) | 301 (74.7) | 0.433 | 220 (76.1) | 216 (74.7) | 0.699 |
| Two CTO lesions | 41 (13.0) | 68 (16.9) | 0.148 | 39 (13.5) | 48 (16.6) | 0.295 |
| Location of CTO lesions | ||||||
| LAD | 131 (41.5) | 163 (40.4) | 0.785 | 116 (40.1) | 118 (40.8) | 0.865 |
| LCX | 57 (18.0) | 57 (14.1) | 0.156 | 54 (18.7) | 41 (14.2) | 0.145 |
| RCA | 132 (41.8) | 186 (46.2) | 0.240 | 123 (42.6) | 133 (46.0) | 0.402 |
| Multivessel disease | 267 (84.5) | 331 (82.1) | 0.401 | 245 (84.8) | 236 (81.7) | 0.316 |
| Proximal or mid | 240 (75.9) | 324 (80.4) | 0.150 | 219 (75.8) | 233 (80.6) | 0.158 |
| Severe Calcification | 20 (6.3) | 23 (5.7) | 0.727 | 19 (6.6) | 22 (7.6) | 0.627 |
| Length ≥ 20 mm | 283 (89.6) | 373 (92.6) | 0.158 | 258 (89.3) | 268 (92.7) | 0.146 |
| Angulation > 45° | 59 (18.7) | 61 (15.1) | 0.207 | 59 (20.4) | 69 (23.9) | 0.316 |
| Vessel diameter (mm) | 2.97 ± 0.5 | 2.99 ± 0.5 | 0.397 | 2.97 ± 0.5 | 2.99 ± 0.5 | 0.621 |
| SYNTAX score | 17.30 ± 9.0 | 17.30 ± 8.6 | 0.997 | 17.26 ± 9.1 | 17.17 ± 9.0 | 0.909 |
| J-CTO score | 1.17 ± 0.6 | 1.16 ± 0.5 | 0.877 | 1.16 ± 0.59 | 1.24 ± 0.57 | 0.100 |
| Treatment characteristics | ||||||
| Number of stents for CTO-PCI | ||||||
| 1 | 48 (15.2) | 75 (18.6) | 0.227 | 43 (14.9) | 52 (18.0) | 0.312 |
| 2 | 110 (34.9) | 144 (35.7) | 0.821 | 100 (34.6) | 100 (34.6) | 1.000 |
| ≥3 | 109 (34.5) | 140 (34.7) | 0.945 | 101 (34.9) | 103 (35.6) | 0.862 |
| Stent length (mm) | 53.42 ± 26.4 | 54.09 ± 25.5 | 0.742 | 52.98 ± 26.3 | 55.44 ± 26.4 | 0.283 |
| IVUS use | 38 (12.0) | 52 (12.9) | 0.724 | 35 (12.1) | 38 (13.1) | 0.707 |
Values are presented as mean ± standard deviation or number (%). CTO, chronic total occlusion; LAD, left ascending coronary artery; LCX, left circumflex coronary artery; RCA, right coronary artery; J-CTO, Japanese-chronic total occlusion; PCI, percutaneous coronary intervention; IVUS, intravenous ultrasound.