Clin Orthop Surg.  2021 Jun;13(2):237-242. 10.4055/cios20058.

Prevalence of and Risk Factors for Hypovitaminosis D in Patients with Rotator Cuff Tears

Affiliations
  • 1Department of Orthopaedic Surgery, Inje University Ilsan Paik Hospital, Goyang, Korea
  • 2Department of Orthopaedic Surgery, Myongji Hospital, Goyang, Korea
  • 3Department of Orthopaedic Surgery, Dongguk University Ilsan Hospital, Goyang, Korea
  • 4210 Orthopedics, Seoul, Korea

Abstract

Background
It has been reported that vitamin D may play an important role in rotator cuff tears. However, there has been limited information about the prevalence of and risk factors for hypovitaminosis D in patients with rotator cuff tears. Therefore, the purpose of current study was to investigate the prevalence of and risk factors for hypovitaminosis D in patients with rotator cuff tears.
Methods
One hundred seventy-six patients (age, 61.9 ± 8.90 years) who underwent arthroscopic rotator cuff repair for a fullthickness tear were enrolled in this retrospective study. Preoperative serum vitamin D levels (25-hydroxyvitamin D) were measured.Hypovitaminosis D was defined as a serum concentration of 25-hydroxyvitamin D < 20 ng/mL. We investigated whether age, sex, height, weight, body mass index, bone mineral density, alcohol consumption, smoking status, and outdoor occupation were associated with hypovitaminosis D.
Results
The prevalence of hypovitaminosis D in patients with rotator cuff tears was 44.3% (78/176). The mean serum concentration of 25-hydroxyvitamin D of total patients was 24.7 ± 13.7 ng/mL. A higher serum level of vitamin D was significantly associated with older age (p < 0.001). Young age was an independent risk factor for hypovitaminosis D. The prevalence of hypovitaminosis D was also lower in patients with an outdoor occupation than in those with an indoor occupation (19.0% vs. 31.4%,p = 0.001).
Conclusions
The prevalence of hypovitaminosis D in patients with rotator cuff tears was 44.3%. Age had a significant positive correlation with the serum concentration of 25-hydroxyvitamin D. Young age and indoor working were independent risk factors for hypovitaminosis D in patients with rotator cuff tears. Therefore, the possibility of hypovitaminosis D should be considered for young and indoor working patients who have rotator cuff tears.

Keyword

Vitamin D; Vitamin D deficiency; 25-Hydroxyvitamin D; Rotator cuff; Risk factors
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