• Sonora Andromeda Windermere, Kaitlyn Melnick, Sandra C Yan, Michelot Michel, Jonathan Munoz, Ghaidaa Ebrahim, Hayden Greene, Grace Hey, ChowdhuryMuhammad Abdul BakerMABLillian S. Wells Department of Neurosurgery, University of Florida, Gainesville, Florida, USA., Ashley P Ghiaseddin, Basma Mohammed, and Maryam Rahman.
• Lillian S. Wells Department of Neurosurgery, University of Florida, Gainesville, Florida, USA.
• Neurosurgery. 2024 Oct 17.

Background And ObjectivesCompared with the modified Frailty Index-11 (mFI-11) frailty tool, reflective of patient comorbidities, the Fried phenotype weighs functional patient variables. This study examined using the Fried phenotype in predicting postoperative outcomes in craniotomy for patients with tumor.MethodsThis retrospective cohort analysis included patients with Current Procedural Terminology codes for supratentorial/infratentorial tumor resections and preoperative frailty scores. Chart review collected the remaining variables for the primary outcome, length of stay (LOS), and secondary outcomes, discharge disposition and postoperative complications. Basic descriptive statistics summarized patient demographics, clinical parameters, and postoperative outcomes. χ2 tests, t-tests, and ANOVA examined associations and mean differences. Logistic and Poisson regressions explored predictor-outcome relationships.ResultsOver 7 years, these 153 patients underwent Fried assessments. The Fried score was biased toward females being more frail (nonfrail 38.0% female, prefrail 50.0% female and frail 65.6% female, P = .027) but not by age, body mass index, or tumor type. The mFI-11 was biased by age (nonfrail 67.8 years vs frail 72.3 years, P < .001) and body mass index (nonfrail 27.5 vs frail 30.8, P < .001) but not sex or tumor type. The Fried score was significantly correlated with increased LOS's (odds ratio [OR] = 5.92, 95% CI = 1.66-21.13, P < .001) but the mFI-11 was not (OR = 0.82, 95% CI = 0.35-1.93, P = .64). The Fried phenotype was significantly correlated with discharge disposition location (P = .016), whereas the mFI-11 was not (P = .749). The Fried score was significantly correlated with postoperative complications (OR = 1.36, 95% CI = 1.08-1.71, P = .01), whereas the mFI-11 was not (OR = 1.10, 95% CI = 0.86-1.41, P = .44).ConclusionThe Fried phenotype more accurately correlates with postoperative outcomes including LOS, discharge disposition location, and complications than does the mFI-11 score. These findings can be used to guide preoperative planning, inform consent, and potentially identify patients who may benefit from functional optimization in the preoperative period to improve postoperative outcomes.Copyright © Congress of Neurological Surgeons 2024. All rights reserved.

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