Kauser Abid.
Prevalence of ABO Blood Groups and their Association with Dust, Pollen and Skin Allergy in Young Adults.
Ann Pak Inst Med Sci Jan ;11(1):12-5.

Objectives: To find prevalence of ABO blood groups and to investigate their association with dust, pollen and skin allergy. Materials and Methods: This cross sectional study was done at Islamabad Medical & Dental College Bhara Khou Islamabad Pakistan from April 2011 to May 2012. n= 123, both male and female First year M.B; B.S students 18-21 years of age were enrolled for the study during Hematology module. ABO blood group of study population was done by antisera method. A detailed history of study population regarding dust, pollen and skin allergies was recorded on a preformed Performa. Result: In our study population B blood group came out to be the most common (34%). History of allergy was reported by 65 % of our study population. Dust allergy and pollen allergies were found high among individuals with B blood group being 43% and 43.75% respectively. Skin allergy was reported high among A blood group individuals (40%). Blood group AB was found to be at lowest risk level for allergies. The study showed association between blood groups and allergies as < 0.0007 statistically significant p-value. Conclusion: In the study population blood group B being the most common is at high risk level for developing allergies. Blood groups A and O were found to have nearly same level of allergies while Blood group AB being the most protected one. This statistically significant association of various blood groups with allergy development could help in identifying people at risk as an aid to preventive measures.

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