Table 1.
Baseline characteristics of the study population
| Percutaneous EVAR (n = 62) | Cutdown EVAR (n = 58) | P value | |
|---|---|---|---|
| Demographics | |||
| Age (years), mean ± SD | 72.21 ± 6.83 | 72.09 ± 10.02 | 0.938 |
| Male, n (%) | 52 (83.9) | 49 (84.5) | 0.927 |
| BMI (kg/m2), mean ± SD | 23.51 ± 2.47 | 22.64 ± 3.14 | 0.090 |
| Comorbidities/medical history | |||
| Symptom, n (%) | 17 (27.4) | 20 (34.5) | 0.402 |
| Smoker, n (%) | 33 (53.2) | 34 (58.6) | 0.552 |
| Hypertension, n (%) | 42 (67.7) | 41 (70.7) | 0.727 |
| Diabetes mellitus, n (%) | 9 (14.5) | 12 (20.7) | 0.374 |
| COPD, n (%) | 24 (38.7) | 17 (29.3) | 0.278 |
| Coronary heart disease, n (%) | 22 (35.5) | 21 (36.2) | 0.934 |
| Coronary intervention, n (%) | 11 (17.7) | 16 (27.6) | 0.197 |
| Classification of NYHY | 0.905 | ||
| 1, n (%) | 40 (64.5) | 37 (63.8) | |
| 2, n (%) | 17 (27.4) | 15 (25.9) | |
| 3, n (%) | 5 (8.1) | 6 (10.3) | |
| Arrhythmia, n (%) | 10 (16.1) | 4 (6.9) | 0.115 |
| Stroke/TIA, n (%) | 5 (8.1) | 7 (12.1) | 0.465 |
| Renal insufficiency, n (%) | 9 (14.5) | 9 (15.5) | 0.878 |
| Tumor, n (%) | 5 (8.1) | 9 (15.5) | 0.204 |
| Anatomy of access arteries | |||
| Subcutaneous tissue thickness of left CFA (mm), mean ± SD | 22.03 ± 8.62 | 19.37 ± 9.36 | 0.108 |
| Subcutaneous tissue thickness of right CFA (mm), mean ± SD | 21.74 ± 9.37 | 19.40 ± 9.78 | 0.183 |
| Diameter of left CFA (mm), mean ± SD | 10.14 ± 1.67 | 9.88 ± 2.10 | 0.448 |
| Diameter of right CFA (mm), mean ± SD | 10.30 ± 1.72 | 10.23 ± 2.51 | 0.462 |
| Calcification proportion of left CFA, median (range) | 0.10 (0.00–0.20) | 0.10 (0.00–0.25) | 0.838 |
| Calcification proportion of right CFA, median (range) | 0.00 (0.00–0.20) | 0.05 (0.00–0.30) | 0.128 |
| Minimum diameter of left iliac artery (mm), mean ± SD | 8.40 ± 0.98 | 8.12 ± 1.58 | 0.256 |
| Minimum diameter of right iliac artery (mm), mean ± SD | 8.32 ± 1.06 | 8.00 ± 1.40 | 0.113 |
| Maximum diameter of left iliac artery (mm), median (range) | 16.00 (13.00–25.10) | 14.75 (12.00–20.00) | 0.323 |
| Maximum diameter of right iliac artery (mm), median (range) | 18.30 (13.50–26.30) | 15.70 (14.10–22.60) | 0.351 |
| Tortuosity index of left iliac artery, median (range) | 1.21 (1.13–1.32) | 1.22 (1.13–1.36) | 0.733 |
| Tortuosity index of right iliac artery, median (range) | 1.21 (1.15–1.33) | 1.26 (1.13–1.35) | 0.605 |
| Severe tortuosity of left iliac artery, n (%) | 15 (24.2) | 15 (25.9) | 0.833 |
| Severe tortuosity of left iliac artery, n (%) | 17 (27.4) | 19 (32.8) | 0.524 |
SD, standard deviation; BMI, body mass index; COPD, chronic obstructive pulmonary disease; NYHY, New York Heart Association; TIA, transient ischemic attacks; CFA, common femoral artery.