Abstract
BackgroundThe 30-day mortality rate after hip fracture surgery has been considered as an indirect indicator of the quality of care. This work aims to appraise the Barthel Index, Katz Index, Lawton-Brody Index, and Physical Red Cross Scale registered in the Comprehensive Geriatric Assessment at admission on the of 30-day death probability after hip fracture surgery.MethodsProspective study including 899 hip fracture patients over 65. Bed-ridden, non-surgically treated patients, and high energy trauma or tumoral etiology fractures were excluded. Variables distribution were assessed by χ2, U-Mann Whitney and we performed binary logistic regression and equal tailed Jeffreys 95% CI for risk assessment. P<0.05 was considered statistically significant.ResultsWe noted a 30-day mortality rate of 5.9%. We related Barthel Index (OR=0.986 [0.975–0.996], p=0.010), Katz Index (OR=1.254 [1.089–1.444], p=0.002), Lawton-Brody Index (OR=0.885 [0.788–0.992], p=0.037), and Physical Red Cross Scale (OR=1.483 [1.094–2.011], p=0.011) with the 30-day mortality of patients after hip fracture surgery. We also validated the Barthel Index inflection point (0–55) (ORBI(0–55)=2.428 [1.379–4.275], p=0.002) and Katz Index inflection point (A-B) (ORKI(A-B)=0.493 [0.273–0.891], p=0.019) for the assessment of the highest risked patients.ConclusionThe geriatric functional status scores would be useful multifunctional and standalone tools in the assessment of hip fracture patients as singly predictors of 30-day mortality.
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