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Published on: July 24, 2013
[Predictive capacity for mortality of the Frail-VIG index (IF-VIG) in old patients with hip fracture]
Gemma Badosa-Collell1, Nadina Latorre-Vallbona2, Joan Carles Martori3
1Servicio de Medicina Interna y Atención a la Cronicidad, Hospital de Olot i comarcal de la Garrotxa, Olot, Girona, España; Laboratori de Reparació i Regeneració Tissular (TR2Lab), Facultat de Medicina, Universitat de Vic-Universitat Central de Catalunya, Vic, Barcelona, España.
Introduction:
Frailty and hip fracture are closely related and are associated with high risk of functional decline and mortality. The objective of this study is to analyze whether the Frail-VIG index [IF-VIG] (fragility index validated in the geriatric population) maintains its predictive capacity for mortality in old patients with hip fracture.
Methods:
Observational, cohort, longitudinal and ambispective study on patients admitted to an acute geriatric unit with a hip fracture. Patients were classified according to their degree of frailty into three groups by the IF-VIG: no frailty/initial frailty (≤0.35), moderate frailty (0.36-0.50) and advanced frailty (>0.50). The follow-up period was 24months. The three groups were compared using survival curves and ROC curves were analyzed to assess the prognostic capacity of IF-VIG.
Results:
A total of 103 patients were included; 73.8% were women, with a mean age of 87years. There were no differences between groups in relation to the type of fracture, the kind of surgery, the waiting time until surgery and the mobilization time. Overall, in-hospital mortality was 7.76%, significantly higher in the advanced frailty group (23.3%). We also found significant differences in mortality at 24months of follow-up according to the IF-VIG. The under the ROC curve area at 3, 6, 12 and 24months was 0.90 (0.83-0.97), 0.90 (0.82-0.97), 0.91 (0.86-0.97) and 0.88 (0.81-0.94), respectively.
Conclusion:
The IF-VIG appears to be a good tool in predicting mortality in old patients with hip fracture.
