Table 3.

HRs for over-all and cause-specific cancer mortality by ABO blood type.

Cancer site	Blood type	N	Mortality rate (per 100,000 person-years)	HRa (95% CI)	HRb (95% CI)
Overall	O	1608	11.61	1.00 (Reference)	1.00 (Reference)
	A	1090	12.53	1.04 (0.96–1.12)	1.04 (0.95–1.13)
	B	900	11.39	0.94 (0.87–1.02)	0.96 (0.87–1.05)
	AB	205	10.56	0.89 (0.77–1.03)	0.90 (0.77–1.06)
	Non-O	2195	11.84	0.98 (0.92–1.05)	0.99 (0.92–1.06)
Oral	O	94	0.68	1.00 (Reference)	1.00 (Reference)
	A	59	0.68	0.97 (0.70–1.34)	0.82 (0.57–1.18)
	B	46	0.58	0.83 (0.58–1.18)	0.87 (0.60–1.26)
	AB	8	0.41	0.60 (0.29–1.23)	0.51 (0.22–1.17)
	Non-O	113	0.61	0.87 (0.66–1.15)	0.81 (0.60–1.09)
Esophagus	O	38	0.27	1.00 (Reference)	1.00 (Reference)
	A	24	0.28	0.96 (0.57–1.60)	1.05 (0.60–1.83)
	B	19	0.24	0.83 (0.48–1.44)	0.96 (0.53–1.75)
	AB	6	0.31	1.09 (0.46–2.57)	1.15 (0.45–2.96)
	Non-O	49	0.26	0.92 (0.60–1.40)	1.02 (0.64–1.63)
Lung	O	319	2.30	1.00 (Reference)	1.00 (Reference)
	A	213	2.45	1.02 (0.86–1.21)	0.95 (0.78–1.15)
	B	199	2.52	1.04 (0.87–1.24)	1.05 (0.86–1.27)
	AB	46	2.37	1.00 (0.73–1.36)	1.03 (0.73–1.44)
	Non-O	458	2.47	1.03 (0.89–1.18)	1.00 (0.85–1.17)
Stomach	O	110	0.79	1.00 (Reference)	1.00 (Reference)
	A	101	1.16	1.40 (1.07–1.84)	1.38 (1.02–1.86)
	B	60	0.76	0.91 (0.67–1.25)	0.79 (0.55–1.14)
	AB	9	0.46	0.57 (0.29–1.12)	0.70 (0.35–1.38)
	Non-O	170	0.92	1.11 (0.87–1.41)	1.06 (0.81–1.38)
Liverc	O	404	2.92	1.00 (Reference)	1.00 (Reference)
	A	247	2.84	0.94 (0.80–1.10)	1.00 (0.84–1.20)
	B	213	2.69	0.89 (0.75–1.05)	0.91 (0.75–1.09)
	AB	48	2.47	0.83 (0.61–1.12)	0.80 (0.56–1.13)
	Non-O	508	2.74	0.91 (0.79–1.03)	0.94 (0.81–1.09)
Pancreas	O	45	0.33	1.00 (Reference)	1.00 (Reference)
	A	43	0.49	1.47 (0.97–2.23)	1.34 (0.83–2.17)
	B	40	0.51	1.49 (0.98–2.29)	1.63 (1.02–2.60)
	AB	8	0.41	1.24 (0.59–2.64)	1.38 (0.61–3.09)
	Non-O	91	0.49	1.46 (1.02–2.08)	1.47 (0.98–2.19)
Rectum	O	52	0.38	1.00 (Reference)	1.00 (Reference)
	A	46	0.53	1.36 (0.91–2.02)	1.42 (0.91–2.21)
	B	41	0.52	1.32 (0.88–1.99)	1.49 (0.94–2.34)
	AB	7	0.36	0.94 (0.43–2.07)	1.21 (0.54–2.70)
	Non-O	94	0.51	1.30 (0.93–1.82)	1.42 (0.97–2.08)
Colon	O	112	0.81	1.00 (Reference)	1.00 (Reference)
	A	78	0.90	1.07 (0.80–1.43)	1.22 (0.89–1.69)
	B	48	0.61	0.72 (0.51–1.01)	0.79 (0.54–1.16)
	AB	15	0.77	0.94 (0.55–1.61)	1.00 (0.55–1.84)
	Non-O	141	0.76	0.90 (0.71–1.16)	1.02 (0.77–1.35)
Kidney	O	39	0.28	1.00 (Reference)	1.00 (Reference)
	A	22	0.25	0.86 (0.51–1.45)	0.95 (0.53–1.71)
	B	25	0.32	1.07 (0.65–1.77)	1.05 (0.58–1.89)
	AB	7	0.36	1.25 (0.56–2.80)	0.97 (0.34–2.76)
	Non-O	54	0.29	0.99 (0.66–1.50)	1.00 (0.62–1.61)
Bladder	O	24	0.17	1.00 (Reference)	1.00 (Reference)
	A	17	0.20	1.06 (0.57–1.98)	1.17 (0.51–2.67)
	B	19	0.24	1.30 (0.71–2.37)	1.30 (0.57–2.97)
	AB	3	0.15	0.86 (0.26–2.84)	0.54 (0.07–4.10)
	Non-O	39	0.21	1.14 (0.69–1.90)	1.16 (0.58–2.32)
Leukemia	O	32	0.23	1.00 (Reference)	1.00 (Reference)
	A	17	0.20	0.82 (0.46–1.48)	0.76 (0.39–1.46)
	B	14	0.18	0.74 (0.40–1.39)	0.83 (0.43–1.61)
	AB	2	0.10	0.44 (0.11–1.84)	0.52 (0.12–2.19)
	Non-O	33	0.18	0.75 (0.46–1.22)	0.76 (0.45–1.29)
Breast (female)	O	50	0.67	1.00 (Reference)	1.00 (Reference)
	A	36	0.77	1.15 (0.75–1.77)	1.05 (0.64–1.71)
	B	35	0.83	1.23 (0.80–1.90)	1.06 (0.64–1.75)
	AB	7	0.67	1.01 (0.46–2.23)	0.89 (0.35–2.26)
	Non-O	78	0.79	1.17 (0.82–1.67)	1.03 (0.69–1.55)
Prostate (male)	O	45	0.71	1.00 (Reference)	1.00 (Reference)
	A	35	0.87	1.14 (0.73–1.77)	1.11 (0.66–1.84)
	B	23	0.62	0.82 (0.50–1.36)	0.76 (0.42–1.37)
	AB	5	0.56	0.74 (0.29–1.85)	0.77 (0.27–2.18)
	Non-O	63	0.73	0.96 (0.66–1.41)	0.92 (0.59–1.44)

^aAdjusted for age and sex.

^bAdjusted for age, sex, education level, smoking status, alcohol drinking status, physical activity, and BMI. Individuals with missing covariates were excluded from each model.

^cAlso adjusted for HBV infection.