What question did this study set out to answer?

This research aims to compare the predictive performance of the Modified Frailty Index and the Risk Analysis Index for postoperative outcomes in spine surgery.

February 27, 2026Journal of Neurosurgical Sciences

Comparison of the performance metrics of two frailty scales in spinal surgery: a systematic review and meta-analysis

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Authors

CJCarmelo VENERO Jr NPNiels PACHECO-BARRIOSBrigham and Women's Hospital JRJoanna M. RoyThomas Jefferson University

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Implication

Systematic review compares predictive accuracy of two frailty scales in spine surgery, indicating the RAI shows better outcomes.

Key Points

This research aims to compare the predictive performance of the Modified Frailty Index and the Risk Analysis Index for postoperative outcomes in spine surgery.
Conducted a systematic search yielding ten studies relevant to frailty indices and spine surgery outcomes.
Evaluated predictive performance using area under the curve (AUC) from receiver operating characteristic (ROC) curves.
Developed a linear regression model to analyze the predictive accuracy of mFI and RAI.
RAI shows superior predictive accuracy for 30-day mortality (AUC 0.82) compared to mFI (AUC 0.66).
RAI has higher predictive accuracy for Clavien-Dindo III-IV complications (AUC 0.69) than mFI (AUC 0.63).
No significant difference in predicting non-home discharge between RAI (AUC 0.81) and mFI (AUC 0.71).

Cite This Study

Jr et al. (2026) studied this question.

synapsesocial.com/papers/69a134b8ed1d949a99abe2b3 https://doi.org/10.23736/s0390-5616.26.06719-6

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Comparison of the performance metrics of two frailty scales in spinal surgery: a systematic review and meta-analysis

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Key Points

Cite This Study

Comparison of the performance metrics of two frailty scales in spinal surgery: a systematic review and meta-analysis

Discussion

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Implication

Key Points

Cite This Study

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