Table 4.
Variable | EVAR commenced (23 patients with re-interventions, n = 167) |
Open commenced (65 patients with re-interventions, n = 245) |
Combineda (88 patients with re-interventions, n = 412) |
|||
---|---|---|---|---|---|---|
Odds ratio (95% CI) | P-value | Odds ratio (95% CI) | P-value | Odds ratio (95% CI) | P-value | |
Within IFU ( vs. outside) | 0.64 (0.24, 1.67) | 0.36 | 0.95 (0.50, 1.81) | 0.87 | 0.85 (0.50, 1.44) | 0.55 |
Maximum AAA diameter (per 17 mm increase) | 0.76 (0.45, 1.29) | 0.31 | 0.80 (0.58, 1.11) | 0.18 | 0.79 (0.60, 1.04) | 0.094 |
Aneurysm neck diameter at distal renal artery (per 4 mm increase) |
1.12 (0.65, 1.92) | 0.69 | 1.20 (0.82, 1.77) | 0.35 | 1.16 (0.85, 1.58) | 0.34 |
Aneurysm neck length (per 16 mm increase) | 0.89 (0.53, 1.51) | 0.67 | 1.13 (0.80, 1.61) | 0.48 | 1.06 (0.79, 1.41) | 0.72 |
Neck conicality (per 1.6% per mm change increase) | 1.01 (0.41, 2.50) | 0.98 | 0.62 (0.38, 1.01) | 0.057 | 0.70 (0.45, 1.10) | 0.12 |
Proximal aneurysm neck (α) angulation (per 20° increase) | 0.78 (0.45, 1.34) | 0.37 | 1.14 (0.86, 1.52) | 0.37 | 1.04 (0.81, 1.35) | 0.75 |
Maximum common iliac diameter (per 9 mm increase) | 1.47 (0.94, 2.30) | 0.089 | 1.16 (0.88, 1.54) | 0.28 | 1.24 (0.98, 1.57) | 0.071 |
All models adjusted for age, sex, Hardman Index, lowest recorded systolic blood pressure, and randomized group. Odds ratios are presented per standard deviation increase of morphological parameter.
aAlso adjusted for operation commenced.