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Year : 2018  |  Volume : 9  |  Issue : 3  |  Page : 170-174

Serum levels of 25-hydroxyvitamin D in chronic urticaria and its association with disease activity: A case control study

Department of Dermatology, Venereology and Leprology, Government MedicalCollege, Srinagar, Jammu and Kashmir, India

Correspondence Address:
Shagufta Rather
Department of Dermatology, Venereology and Leprology, Government MedicalCollege Srinagar, Jammu and Kashmir
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/idoj.IDOJ_74_17

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Aim: To evaluate the relationship between vitamin D levels and chronic spontaneous urticaria (CSU) and compare with healthy age and sex matched controls. Material and Methods: This was a hospital-based cross-sectional study conducted over a period of 1 year, in which 110 patients with CSU were recruited along with an equal number of sex and age-matched healthy controls. For each patient, urticaria activity score (UAS) was calculated and autologous serum skin test (ASST) was performed. Plasma 25-hydroxyvitamin D [25-(OH)D] was analyzed by chemiluminescence method. A deficiency in vitamin D was defined as serum 25-(OH)D concentrations <30 ng/mL. The statistical analysis was carried out by using appropriate statistical tests. Results: The mean serum 25-(OH)D levels of CSU patients was 19.6 ± 6.9 ng/mL, whereas in control group, the mean level was 38.5 ± 6.7, the difference being statistically significant (P < 0.001). A significant negative correlation was found between vitamin D levels and UAS. (P < 0.001). The number of patients with ASST positivity was 44 (40%). Conclusion: The patients with CSU had reduced levels of vitamin D when compared to healthy controls. Furthermore, there was a significant negative correlation between the levels of serum vitamin D and severity of CSU.

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