Fig. 1.

Receiver operating characteristic (ROC)/area under the curve (A-G) and ROC/C-statistics analysis (H) for the relative predictive abilities of the mFI-5 and RAI on mortality (A), major complication (B), Clavien-Dindo physical status classification IV complication (C), ELOS (D), nonhome discharge (E), readmission (F), and reoperation (G) in patients who underwent surgical intervention for traumatic spinal injury from NSQIP database 2015–2019. mFI-5, 5-factor modified frailty index; RAI-A, Risk Analysis Index-administrative; RAI-Rev, Risk Analysis Index recalibrated version; ELOS, extended length of stay; NSQIP, National Surgical Quality Improvement Program.