A case control study of serum vitamin D levels in alopecia areata

Authors

  • Bobbili Tarun Kesava Naidu Department of General Medicine, GVP Institute of Health Care and Medical Technology, Visakhapatnam, Andhra Pradesh, India.
  • Kavya Baddireddy Department of Dermatology, Venereology and Leprology, GVP Institute of Health Care and Medical Technology, Visakhapatnam, Andhra Pradesh, India.

DOI:

https://doi.org/10.18203/2320-6012.ijrms20204227

Keywords:

Alopecia areata, Vitamin D, 25-Hydroxyvitamin D, Severity of alopecia tool score

Abstract

Background: Alopecia areata is an autoimmune disorder of anagen hair follicle leading to distressing and relapsing non-scarring hair loss. Vitamin D is an immunomodulator and plays a role in regulating normal hair cycle. Recent evidence suggests inconsistent association between vitamin D deficiency and alopecia areata.

Methods: This case control study included 70 newly diagnosed cases of alopecia areata and 70 healthy controls. Competitive chemiluminescence immunoassay was used to determine and compare the serum vitamin D (25‑hydroxyvitamin D) levels between these groups. Also, the serum vitamin D levels correlation with severity of the disease was studied. ANOVA test and student t test were used for the statistical analysis.

Results: Serum Vitamin D levels were significantly decreased in alopecia areata patients than in controls (p<0.05). There was no stastically significant relationship between serum 25-OH Vitamin D levels and severity of the disease (p=0.06).

Conclusions: Prevalence of serum 25 (OH) deficiency was significantly higher in alopecia areata group. However no significant relation was found with disease severity.

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Published

2020-09-24

How to Cite

Naidu, B. T. K., & Baddireddy, K. (2020). A case control study of serum vitamin D levels in alopecia areata. International Journal of Research in Medical Sciences, 8(10), 3550–3553. https://doi.org/10.18203/2320-6012.ijrms20204227

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Original Research Articles