Predictor of increased risk
Hazard Ratio [95% CI]
Age by decade 1.2 [1.0-1.4]
Current smoker 1.6 [1.1-2.2]
Emergent or urgent surgery 1.5 [1.1-2.1]
Adjunct aorta-related procedure 2.5 [1.6-3.8]
Adjunct procedure not aortic related 2.6 [1.4-4.9]
ASA Class > 3 1.6 [1.1-2.3]
Total estimated length of the aortic device
(19-31 cm, HR 1.9) (≥ 32 cm, HR 3.0)
Procedure time ≥ 154 minutes 1.8 [1.3-2.5]
eGFR ≥ 60 * High-volume centres *
0.6 [0.4-0.8]
CI; Confidence Interval, ASA; American Society of Anaesthesiologists, eGFR; estimated Glomerular Filtration Rate, *Associated with lower risk of SCI CI; Confidence Interval, ASA; American Society of Anaesthesiologists, eGFR; estimated Glomerular Filtration Rate, *Associated with lower risk of SCI