A STUDY OF PREVALENCE OF BLOOD GROUP TYPES IN CHRONIC SKIN DISORDERS
*Dr. Pallavi Goyal, Dr. Manisha Nijhawan, Dr. Savita Agrawal, Dr. Shashank Agarwal
ABSTRACT
A hospital based observational case control study was conducted to evaluate the association of various chronic skin diseases with ABO blood group types on 1500 patients during one year time period. 468 patients of dermatophytosis, 338 patients of acne, 190 patients of psoriasis, 126 patients of chronic urticaria, 118 patients of androgenetic alopecia, 98 patients of alopecia areata, 98 patients of atopic dermatitis and 64 patients of vitiligo were included in the study. Control group comprised ABO blood group data of 10837 healthy donors collected from the database of blood bank. The data were compiled and subjected to statistical analysis using software SPSS, using chi-square test (χ2) and taking p-value of <0.05 as significant. Blood group A was found to be statistically significant as compared to controls with chronic dematoses like acne, chronic urticaria and psoriasis; blood group B was found to be statistically significant with androgenetic alopecia, atopic dermatitis, dermatophytosis and vitiligo; blood group O was found to be statistically significant with androgenetic alopecia, chronic urticaria and dermatophytosis. No association was found between the alopecia areata and ABO blood groups as compared to controls.
Keywords: Blood groups, dermatophytoses, acne, alopecia, urticaria, psoriasis.
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