Table 3.

 Multivariable‐adjusted OR (95% CI) for incident PC by genotype‐derived ABO blood type

	O	A	AB	B
No. cases (%)/controls (%)	38 (20.54)/428 (29.22)	85 (45.95)/572 (39.04)	22 (11.89)/141 (9.62)	40 (21.62)/324 (22.12)
Multivariable‐adjusted OR†	1.0	1.64 (1.08–2.48)	1.67 (0.94–2.98)	1.42 (0.88–2.31)

†Multivariable adjustment by age, sex, smoking status, history of diabetes mellitus, and BMI, drinking habit, family history of PC and BMI at age 20 years. CI, confidence interval; OR, odds ratio; PC, pancreatic cancer.