Table 5.
Clinical Characteristics of 73 Patients With Stent Implantation
| Overall | Restenosis | |||
|---|---|---|---|---|
| No | Yes | P value | ||
| No. patients | 73 | 47 | 26 | |
| Age (years) | 73.7±10.1 | 75.2±10.2 | 71.1±9.5 | 0.101 |
| Male sex | 49 (67.1) | 27 (57.4) | 22 (84.6) | 0.021 |
| Hypertension | 63 (86.3) | 41 (87.2) | 22 (84.6) | 0.737 |
| Diabetes | 32 (43.8) | 16 (34.0) | 16 (61.5) | 0.029 |
| Dyslipidemia | 54 (74.0) | 39 (83.0) | 15 (57.7) | 0.026 |
| Hemodialysis | 18 (24.7) | 8 (17.0) | 10 (38.5) | 0.052 |
| Prior PCI | 30 (41.1) | 15 (31.9) | 15 (57.7) | 0.047 |
| Prior CABG | 1 (1.4) | 1 (2.1) | 0 (0.0) | 1 |
| Lesion location (RCA/LMT-LAD/LCX) | 43/27/3 | 23/22/2 | 20/5/1 | 0.038 |
| Multivessel disease | 59 (80.8) | 37 (78.7) | 22 (84.6) | 0.758 |
| ACS | 37 (50.7) | 22 (46.8) | 15 (57.7) | 0.465 |
| Lesion characteristics | ||||
| ≥99% stenosis | 30 (41.1) | 16 (34.0) | 14 (53.8) | 0.137 |
| Tortuous | 45 (61.6) | 26 (55.3) | 19 (73.1) | 0.209 |
| Mild/moderate/severe calcification (n) | 6/18/49 | 6/14/27 | 0/4/22 | 0.042 |
| Rotational atherectomy | 35 (47.9) | 26 (55.3) | 9 (34.6) | 0.142 |
| Drug eluting stent | ||||
| Stent size (mm) | 3.14±0.37 | 3.13±0.38 | 3.16±0.38 | 0.742 |
| Stent length (mm) | 40.2±18.9 | 40.9±18.6 | 39.0±19.8 | 0.688 |
| RLA (mm2) | 7.41±2.73 | 7.32±2.70 | 7.58±2.85 | 0.706 |
| MSA (mm2) | 6.46±2.37 | 6.30±2.24 | 6.77±2.65 | 0.448 |
| MSA/RLA | 0.88±0.13 | 0.88±0.13 | 0.87±0.13 | 0.855 |
| Stent eccentricity index | 0.78±0.10 | 0.79±0.10 | 0.75±0.10 | 0.088 |
Data given as mean±SD or numbers (%) unless otherwise mentioned. MSA, minimum stent area; RLA, reference lumen area. Other abbreviations as in Table 3.