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Comparison of three frailty measures for 90-day outcomes of elderly patients undergoing elective abdominal surgery
Yanyan Yin1,2, Li Jiang3, Lixin Xue4
1Department of Intensive Care Medicine, Fuxing Hospital, Capital Medical University, Beijing, China.
Background:
To compare the predictive power of three different evaluation methods of frailty for 90-day outcomes of elderly patients undergoing elective abdominal surgery.
Methods:
A prospective cohort study was conducted with 194 patients and a postoperative follow-up period of 90 days. Preoperative frailty was evaluated using the five-item FRAIL questionnaire, 54-item frailty index (FI), and nine-item Clinical Frailty Scale (CFS). Receiver operating curves were used to compare the predictive ability for 90-day mortality and long-term hospitalization (LTH), and logistic regression was used to calculate odds ratios and 95% confidence intervals.
Results:
The incidence rates of frailty assessed using FRAIL, FI, and CFS criteria were 43.8%, 32.5% and 36.6%, respectively. The 90-day mortality and LTH of frail patients were significantly higher than those of non-frail patients regardless of which criteria were used. The CFS and FI predicted 90-day mortality better than FRAIL (CFS versus FRAIL: P = 0.005; FI versus FRAIL: P = 0.041), and the CFS predicted LTH better than FRAIL (P = 0.032).
Conclusions:
Patients diagnosed with frailty had significantly higher 90-day mortality and LTH regardless of which criteria were used. The CFS and FI were better predictors of 90-day mortality, and the CFS was a better predictor of LTH.
