Objectives: Although vitamin D is recognized as an important factor in bone health, its role in osteoarticular infections is unclear. We hypothesized that low vitamin D (25-hydroxycholecalciferol) levels are associated with a lower likelihood of treatment success in osteoarticular infections. Methods: This was a retrospective cohort study of patients with orthopedic infections who had a 25-hydroxycholecalciferol level drawn when their infection was diagnosed. Outcomes were determined at early (3-6 months) and late (≥6 months) follow-up after completing intravenous antibiotics. Results: We included 223 patients seen during an 11-month period with osteoarticular infections and baseline 25-hydroxycholecalciferol levels. During the initial inpatient management of the infection, hypovitaminosis D was identified and treated. The mean 25-hydroxycholecalciferol level was 23 ± 14. ng/ml; 167 (75%) patients had levels <30. ng/ml. Overall, infection treatment success was 91% (159/174) at early follow-up and 88% (145/164) at late follow-up. 25-Hydroxycholecalciferol baseline levels were similar in those with and without successful clinical outcomes, both at early (25 ± 15 vs. 21 ± 9. ng/ml; p= 0.3) and late follow-up (25 ± 15 vs. 23 ± 16. ng/ml; p= 0.6). Conclusions: To our knowledge this is the first report on hypovitaminosis D and its impact on outcomes of osteoarticular infections. Hypovitaminosis D was frequent in this cohort. With vitamin D repletion, there was no difference in treatment success whether patients had baseline hypovitaminosis or not.

Original languageEnglish
Pages (from-to)98-102
Number of pages5
JournalInternational Journal of Infectious Diseases
StatePublished - Sep 2014


  • Cholecalciferol
  • Joint infection
  • Osteomyelitis
  • Outcome
  • Vitamin D


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