BACKGROUND Different blood groups may have their own characteristics personality traits. For instance, people with blood group A tend to be more ambitious, restless and are referred to as type A personality. The ABO blood types are also found to be associated with multiple medical conditions, such as cardiovascular diseases, type 2 diabetes, and various cancers. Significant association of ABO groups with the prevalence of preeclampsia has also been reported. We wanted to examine if ABO blood

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... up has any influence on pain perception in healthy volunteers induced by cold pressor test. METHODS The study procedure included a blood group test of the 80 students who were then subjected to undergo cold pressor test. The blood group test was done by using anti-sera A, B and D (Tulip Diagnostics Pvt Ltd). A cold pressor test was done by immersing the dominant hand up to the wrist in chilled water (4 0 C ± 1 0 C). Statistical Analysis was done by using independent t-test and one-way ANOVA, and all the values were expressed as mean (±SD) and p less than 0.05 was taken as significant. RESULTS The average pain threshold of males was 25.49 ± 7.62 seconds as compared to 17.58 ± 5.02 seconds of females which was statistically significant. The mean pain tolerance for male and female students were 28.69 ± 9.07 seconds and 18.08 ± 7.09 seconds respectively which was significant. Students having blood group B have highest pain threshold (22.85 ± 7.03 seconds), followed by blood group O (22.48 ± 7.64 seconds), blood group A (17.90 ± 7.53 seconds) and blood group AB have the least pain threshold (16.60 ± 1.67 seconds). Students with blood group B (26.96 ± 7.64) have the maximum pain tolerance while the students with blood group A (20.33 ± 11.43) have the least pain tolerance in response to CPT. CONCLUSIONS Students with blood group B are found to have highest pain threshold and pain tolerance while blood group AB showed least pain threshold and blood group A showed least pain tolerance. KEY WORDS Blood Group, Pain Threshold, Pain Tolerance, Cold Pressor Test HOW TO CITE THIS ARTICLE: Rajkumari R, Keithellakpam S, Thiyam J, et al. A study on pain perception induced by cold pressor test among the different ABO blood groups.