• 187 patients were separated into 4 different groups based on blood types (A, B, AB, O)
• Type A and Type B blood were the most common in the patients
• Those with Type A blood were at greater risk of developing COVID-19
• Those with Type O blood were at lower risk of developing COVID-19
• The data for Type AB blood is not statistically significant, since the p-value is greater than 0.05

Epidemiological relation

• The OR for Type A blood compared to other blood types came out to be 1.544, indicating a 54% increased risk of getting COVID-19
• The OR for Type O blood came out to be 0.649, indicating a 35% decreased risk of developing COVID-19