• Daniel Schweitzer, Pedro Pablo Amenábar, Eduardo Botello, Mario López, Yocelin Saavedra, and Ianiv Klaber.
• Rev Med Chil. 2016 Feb 1; 144 (2): 175-80.

BackgroundVitamin D deficiency is a common condition affecting 40-100% of geriatric population.AimTo determine the prevalence of vitamin D insufficiency and deficiency in geriatric population surgically treated for hip fracture.Patients And MethodsAnalysis of a database of patients aged over 60 years operated for a low energy hip fracture in a three years period. Vitamin D was measured in identified patients, using a blood sample obtained on admission to the hospital. A logistic regression was carried out to evaluate age, gender, morbidity index and season as predictors of vitamin D deficiency.ResultsTwo hundred and twenty-eight patients aged 84 ± 7 years (82% females), were included in the analysis. One hundred eighty-three patients (80%) presented vitamin D levels below 20 ng/dl (deficiency) and 39 patients (18%) presented with levels between 20 and 30 ng/dl (insufficiency), totaling 98% of patients with hypovitaminosis D. Vitamin D deficiency was especially common among patients with higher American Society of Anesthesiologists (ASA) Physical Status Classification System and during winter-spring period. A negative correlation between age and the proportion of subjects with vitamin D deficiency was found. There was no relation between gender and vitamin D levels.ConclusionsVitamin D deficiency is especially prevalent in older subjects with hip fracture, reaching 98% in the studied population.

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