did not achieve significancep = 0.063
Some variables did not achieve significance level (5% significance level) in this model, including ABO blood group (OR = 3.08, p = 0.063), RhD (OR = 0.87, p = 0.847), historical mean body weight (OR = 0.98, p = 0.859), and historical number of blood donation (OR = 1.08, p = 0.117).