Table 1 Comparison of demographic and procedural characteristics
Variables | All patients (n = 299) | Exercise tolerance (n = 226) | Exercise intolerance (n = 73) | p-value |
|---|---|---|---|---|
Mean age (year) | 60.90 ± 10.68 | 60.47 ± 10.49 | 62.45 ± 11.24 | 0.217 |
Male, n (%) | 224 (74.92) | 180 (79.65) | 44 (60.27) | 0.001 |
BMI (kg/m2) | 25.68 ± 3.39 | 25.33 ± 3.12 | 26.73 ± 3.94 | 0.002 |
Comorbidity, n (%) | ||||
 Hypertension | 265 (88.63) | 198 (87.61) | 67 (91.78) | 0.329 |
 Dyslipidemia | 219 (73.24) | 159 (70.35) | 60 (82.19) | 0.047 |
 Diabetes mellitus | 74 (24.75) | 46 (20.35) | 28 (38.36) | 0.002 |
No. of stents, n (%) |  |  |  |  < 0.001 |
 1 | 79 (26.42) | 65 (28.76) | 14 (19.18) |  |
 2 | 160 (53.51) | 131 (57.96) | 29 (39.73) |  |
 3 | 42 (14.05) | 25 (11.06) | 17 (23.29) |  |
  ≥ 4 | 18 (6.02) | 5 (2.21) | 13 (17.81) |  |
Lesion vessel, n (%) | ||||
 LAD | 191 (63.88) | 139 (61.50) | 52 (71.23) | 0.132 |
 LCX | 107 (35.79) | 77 (34.07) | 30 (41.10) | 0.276 |
 LM | 37 (12.37) | 27 (11.95) | 10 (13.70) | 0.693 |
 RCA | 146 (48.83) | 110 (48.67) | 36 (49.32) | 0.924 |
Medication, n (%) | ||||
 Aspirin | 289 (96.66) | 218 (96.46) | 71 (97.26) | 0.741 |
 Clopidogrel | 251 (83.95) | 190 (84.07) | 61 (83.56) | 0.918 |
 Statins | 277 (92.64) | 209 (92.48) | 68 (93.15) | 0.848 |
 ACEI/ARB | 195 (65.22) | 146 (64.60) | 49 (67.12) | 0.694 |
 Calcium antagonist | 99 (33.11) | 72 (31.86) | 27 (36.99) | 0.418 |
 β-blockers | 237 (79.26) | 174 (76.99) | 63 (86.30) | 0.088 |
 Nitrates | 238 (79.60) | 178 (78.76) | 60 (82.19) | 0.527 |