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Vitamin D deficiency in hip fracture patients associated with increased mortality risk: study

John M. Bayram et al conducted a study to assess whether vitamin D deficiency influenced mortality risk and length of acute hospital stay in patients presenting with a hip fracture. The study has been published in ‘European Journal of Orthopaedic Surgery & Traumatology.’
Vitamin D deficiency is defined by the Endocrine Society Task Force as a serum 25-hydroxyvitamin D [25(OH)D] level < 50 nmol/l. The optimal level is often described as being higher than this with 75 nmol/l as a common target as at this level vitamin D is thought to help prevent fractures.
A retrospective study was undertaken including all patients aged over 50 years that were admitted with a hip fracture to a single centre during a 24-month period. Serum vitamin D levels on admission, patient demographics, perioperative variables and mortality were collected. Cox regression analysis was utilised to determine the independent association between serum vitamin D levels and patient mortality.
Key findings of the study:
• The cohort consisted of 1510 patients with a mean age of 81.3 years and 1107 (71.4%) were female.
• 876 (58.0%) were vitamin D deficient (< 50 nmol/l).
• The median follow up was 405 (IQR 249 to 610) days.
• During follow-up there were 464 deaths (30.7%).
• Vitamin D deficiency was independently associated with higher mortality risk (hazard ratio [HR] 1.26, 95% confidence interval (CI) 1.03 to 1.53, P = 0.022).
• Male sex (HR 1.64, 95% CI 1.34 to 2.01, P < 0.001) was also associated with a higher mortality risk.
• Vitamin D deficiency was not associated with length of hospital stay (median difference 0 days, P = 0.207).
The authors concluded – “Vitamin D deficiency was independently associated with increased mortality in hip fracture patients, though this finding may be influenced by lack of comprehensive adjustment for comorbidity. While the value of routine serum vitamin D measurement is debated, supplementation during hospital stays is important to reduce falls and fracture risks associated with deficiency.”
Further reading:
Vitamin D deficiency in hip fracture patients is associated with an increased mortality risk John M. Bayram et alEuropean Journal of Orthopaedic Surgery & Traumatology (2025) 35:33 https://doi.org/10.1007/s00590-024-04162-8
MBBS, Dip. Ortho, DNB ortho, MNAMS
Dr Supreeth D R (MBBS, Dip. Ortho, DNB ortho, MNAMS) is a practicing orthopedician with interest in medical research and publishing articles. He completed MBBS from mysore medical college, dip ortho from Trivandrum medical college and sec. DNB from Manipal Hospital, Bengaluru. He has expirence of 7years in the field of orthopedics. He has presented scientific papers & posters in various state, national and international conferences. His interest in writing articles lead the way to join medical dialogues. He can be contacted at editorial@medicaldialogues.in.