• Arun Bahadur Chand, Samir Singh, Lok Raj Bhatt, Bindu Sen, Yadav Prasad Joshi, Pramod Joshi, Lok Bahadur Shrestha, ShresthaSailendra Kumar DuwalSKDDepartment of Orthopaedics and Trauma Services, Nepal Armed Police Force Hospital, Balambu, Kathmandu, Nepal., and Ajaya Basnet.
• Department of Clinical Laboratory, KIST Medical College and Teaching Hospital, Gwarko, Lalitpur, Nepal.
• JNMA J Nepal Med Assoc. 2022 Apr 15; 60 (248): 356-359.

IntroductionVitamin D deficiency is a global health issue affecting billions of people. Its deficiency results in abnormal homeostasis of calcium and phosphorous levels in an individual and results in reduced bone mineral density, which further makes them more prone to develop osteogenic disorders, such as fractures. The aim of this study is to find out the prevalence of vitamin D deficiency among patients visiting the outpatient departments in a tertiary care centre.MethodsThis was a descriptive cross-sectional study done among 582 patients visiting outpatient departments in a tertiary care centre between January 1, 2019 and July 31, 2020. The study was approved by the Institutional Review Committee (Reference number: 076/077/17) of a tertiary care centre. A convenience sampling method was used. Patients' demographic detail and serum vitamin D level were determined. Data were collected retrospectively from hospital records and analysis was performed using the Statistical Package for the Social Sciences software version 17.0. Point estimate at 95% Confidence Interval was calculated along with frequency, the proportion for binary data, and mean with standard deviation for continuous data.ResultsAmong 582 patients enrolled in this study, 328 (56.35%) (52.32-60.38 at 95% Confidence Interval) patients were vitamin D deficient. Vitamin D deficiency was found in 238 (72.56%) females and 257 (78.35%) aged 16 to 59 years. Finally, there were 102 (31.09%) cases of vitamin D deficiency over the winter season.ConclusionsThe prevalence of serum vitamin D deficiency in the current study was lower when compared to similar studies done in similar settings and similar to the prevalence from international literature.Keywordsdeficient; prevalence; vitamin D.

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