Prevalence of vitamin d deficiency in patients with hip fracture seen in an orthogeriatric service in sunny singapore.

Background:Vitamin D deficiency is common in older adults in Western countries with seasonal winters, when the amount of sunlight is much reduced. There is a paucity of data on the prevalence of vitamin D deficiency in patients with hip fracture in countries such as Singapore where the climate is predominantly tropical.Objectives:In this study, our aims were to ascertain the prevalence of vitamin D deficiency and risk factors associated with vitamin D deficiency in hospitalized elderly patients with hip fracture in Singapore.Methods:We prospectively studied 485 patients with hip fracture admitted to the orthopedic department over a 1-year period. Nonfragility fractures and younger patients (patients <60 years and those with high-impact injuries) were excluded. Data on patient demographics, comorbidities, functional status, and serum 25-hydroxyvitamin D3 levels were collected. Vitamin D deficiency was defined using Holick classification.Results:Vitamin D levels were available for 412 patients. Vitamin D de...