Table 1. Baseline clinical characteristics.
| Characteristics | Total population | Matched population | |||||
|---|---|---|---|---|---|---|---|
| ABD (+) | ABD (−) | p value | ABD (+) | ABD (−) | p value | ||
| No. of patients | 1,061 | 611 | - | 595 | 595 | - | |
| Age (years) | 64±10 | 64±9 | 0.589 | 63±10 | 64±9 | 0.250 | |
| Male sex | 721 (68) | 406 (66) | 0.527 | 406 (68) | 398 (67) | 0.667 | |
| BMI (kg/m2) | 24.7±3.0 | 24.7±2.9 | 0.919 | 24.8±3.0 | 24.7±3.0 | 0.671 | |
| Hypertension | 692 (65) | 381 (62) | 0.239 | 380 (64) | 369 (62) | 0.530 | |
| DM | 376 (35) | 213 (35) | 0.812 | 205 (35) | 207 (35) | 0.951 | |
| Dyslipidemia | 713 (67) | 389 (64) | 0.142 | 372 (63) | 379 (64) | 0.722 | |
| Current smoker | 244 (23) | 142 (23) | 0.909 | 140 (24) | 139 (23) | 1.000 | |
| Clinical presentation | - | - | 0.371 | - | - | 0.533 | |
| Stable angina | 559 (53) | 302 (49) | - | 313 (53) | 293 (49) | - | |
| Unstable angina | 354 (33) | 212 (35) | - | 200 (34) | 209 (35) | - | |
| Acute myocardial infarction | 148 (14) | 97 (16) | - | 82 (14) | 93 (16) | - | |
| No. of diseased vessels | - | - | 0.291 | - | - | 0.564 | |
| 1 | 331 (31) | 206 (34) | - | 199 (33) | 203 (34) | - | |
| 2 | 392 (37) | 232 (38) | - | 215 (36) | 224 (38) | - | |
| 3 | 338 (32) | 173 (28) | - | 181 (30) | 168 (28) | - | |
| No. of treated lesions per patient | 1.36±0.57 | 1.42±0.65 | 0.052 | 1.40±0.61 | 1.41±0.64 | 0.734 | |
Data are expressed as No. of patients (%) or mean±SD.
ABD = adjunct balloon dilation; BMI = body mass index; DM = diabetes mellitus; SD = standard deviation.