Key result
Risk Analysis Index outperforms mFI-5 for predicting 30-day mortality in surgically managed hip fractures.
Why the study?
To understand the accuracy of frailty, measured by the RAI and the mFI-5, for estimating 30-day mortality after surgically managed hip fractures.
Does the RAI provide better discriminatory accuracy than the mFI-5 for estimating 30-day mortality in older patients with surgically managed hip fractures?
Population
114 359 patients aged 65 years old with surgically managed traumatic hip fracture
Comparison
Frailty assessed by RAI vs mFI-5
Design
Retrospective cross-sectional database analysis
Follow-up
30 days
Authors
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May improve preoperative risk stratification in hip fracture surgery; leaves open prospective validation before clinical adoption.
Does the RAI provide better discriminatory accuracy than the mFI-5 for estimating 30-day mortality in older patients with surgically managed hip fractures?
The Revised Risk Analysis Index (RAI) provides superior discriminatory accuracy compared to the Modified Five-Item Frailty Index (mFI-5) for estimating 30-day mortality in older patients undergoing surgical management of hip fractures.
Gupta et al. (2025) studied this question. The Risk Analysis Index demonstrated superior discriminatory accuracy for 30-day mortality compared with the mFI-5 in surgically managed hip fractures (AUC 0.73 vs 0.61; P<.001).
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