May 01, 2017 09:21 AM EDT By Khaleb Skye A. Cruz, UniversityHerald Reporter

People with blood type O have lower risks of heart attacks. This means that the other major blood groups - A, B, and AB - have higher chances of getting cardiovascular diseases.

The findings were revealed during a scientific conference in Europe on Sunday. According to Science Daily, the research included 1, 362, 569 respondents from 11 prospective cohorts. Meanwhile, there was a total of 23, 154 cardiovascular events. In it, the experts analyzed the relationship between blood groups and all coronary incidents, combined cardiovascular events, and fatal coronary cases.

Per the same source, the analysis used 771, 113 people with a non-O blood and 519, 743 participants with blood type O. The first group has listed a total of 11, 437 (1.5 percent) cases of heart ailments while the latter only had 7,220 (1.4 percent). Additionally, the odds ratio (OR) of all coronary events was notably higher in carriers of blood type A, B, and AB. It was at 1.09 or 95 percent confidence interval (CI) of 1.06 to 1.13.

On the other hand, the analysis of combined cardiovascular events included 706, 276 people with type A, B, and AB blood. Consequently, 476, 868 type O people participated. The experts found out that 17, 449 (2.5 percent) of the former group had cardiovascular events while only 10, 916 from the other group experienced the same. The OR was once again higher in non-O blood carriers, at 1.09 (95 percent CI 1.06 to 1.11).

To be specific, The San Diego Union-Tribune reported that the researchers revealed these remarkable findings at the "Heart Failure 2017" and the "World Congress on Acute Heart Failure". The European Society of Cardiology in Paris, France organized the conferences. For the record, the higher heart attack risk seen in non-O blood carriers may be due to greater concentrations of Von Willebrand factor.

The Von Willebrand factor is a blood-clotting protein associated with thrombotic events. Furthermore, those who are with the A blood group are known to have higher cholesterol levels. Glacetin-3, which is associated to inflammations in heart failure patients, is also more visible with the non-O blood type people.

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