Table 4.
Univariate and multivariable analysis of 2-year adverse events
| Variable | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
| HR (95 % CI) | P value | HR (95 % CI) | P value | |
| Age | 1.02 (1.00, 1.07) | 0.296 | ||
| Male gender | 0.40 (0.13, 1.22) | 0.105 | 0.49 (0.10, 2.31) | 0.363 |
| BMI | 0.94 (0.81, 1.11) | 0.479 | ||
| Smoking | 0.84 (0.23, 3.06) | 0.792 | ||
| Alcohol | 2.82 (0.92, 8.61) | 0.069 | 0.98 (0.23, 4.16) | 0.980 |
| Hypertension | 1.60 (0.44, 5.81) | 0.476 | ||
| False lumen patency | ||||
| Patent false lumen | Reference | 1 | ||
| Partial thrombosis | 0.67 (0.15, 3.10) | 0.608 | 0.50 (0.07, 3.28) | 0.466 |
| Complete thrombosis | 3.43 (0.74, 15.89) | 0.115 | 4.14 (0.51, 33.35) | 0.182 |
| Distance of LSCA ≤ 2 cm | 1.02 (0.28, 3.71) | 0.976 | ||
| Maximum diameter of abdominal aorta (cm) | 1.07 (0.97, 1.18) | 0.159 | 1.09 (0.92, 1.29) | 0.316 |
| SBP on admission (mmHg) | 1.00 (0.97, 1.03) | 0.907 | ||
| DBP on admission (mmHg) | 0.91 (0.83, 0.96) | 0.003 | 0.86 (0.78, 0.95) | 0.003 |
| Temperature preoperatively (℃) | 0.64 (0.14, 2.85) | 0.558 | ||
| Creatinine preoperatively (µmol/l) | 1.00 (0.98, 1.02) | 0.741 | ||
| Platelet count preoperatively (×109/l) | 0.99 (0.99, 1.00) | 0.107 | ||
| Preoperative NLR per SD | 1.58 (1.11, 2.26) | 0.011 | 1.98 (1.14, 3.44) | 0.015 |
| Alpha-blockers | 3.60 (0.47, 7.68) | 0.219 | ||
| Beta-blockers | 0.95 (0.31, 2.91) | 0.929 | ||
| ARBs | 1.06 (0.24, 4.79) | 0.939 | ||
| ACEIs | 1.12 (0.23, 4.81) | 0.939 | ||
| CCBs | 0.47 (0.16, 1.46) | 0.193 | 0.78 (0.14, 4.40) | 0.776 |
| Statins | 0.67 (0.21, 2.16) | 0.497 | ||
| Timing of procedure | ||||
| Acute (1–14 days) | Reference | |||
| Subacute (14–92 days) | 1.16 (0.39, 3.46) | 0.787 | ||
| ASA classification | ||||
| I | Reference | Reference | ||
| II | 0.54 (0.17, 1.77) | 0.309 | 0.51 (0.10, 2.73) | 0.433 |
| III | 2.96 (0.57, 15.36) | 0.195 | 3.19 (0.22, 46.42) | 0.395 |
| Adjunctive stents | 3.48 (1.07, 11.32) | 0.038 | 0.79 (0.13, 4.79) | 0.800 |
HR hazard ratio, CI confidence interval, BMI body mass index, LSCA left subclavian artery, NLR neutrophil-to-lymphocyte ratio, SBP systolic blood pressure, DBP diastolic blood pressure, ASA American Society of Anesthesiologists