Table 4.

Distribution of selected HLA allele frequencies among European American, African American and Hispanic PSC and ALD patients listed for liver transplantation

Allele	European Americans					African Americans					Hispanics
	PSC (2n = 3668)	ALD (2n = 7220)	χ2	P-value	OR1 (95% CI)	PSC (2n = 390)	ALD (2n = 232)	χ2	P-value	OR1 (95% CI)	PSC (2n = 168)	ALD (2n = 1116)	χ2	P-value	OR1 (95% CI)
HLA-A
1	0.262	0.181	96.44	9 × 10−23	1.61 (1.46 – 1.77)	0.000	0.000				0.107	0.067	3.47	0.06
HLA-B
8	0.277	0.122	410.23	3 × 10−91	2.77 (2.51 – 3.07)	0.049	0.013	5.46	0.02	(1.22 – 12.51)	0.119	0.039	19.55	1 × 10−05	3.29 (1.90 – 5.71)
HLA-DR
3	0.081	0.057	23.28	1 × 10−06	1.46 (1.25 – 1.71)	0.036	0.053	1.05	0.31		0.054	0.013	12.82	0.0003	4.16 (1.83 – 9.46)
4	0.095	0.170	110.00	1 × 10−25	0.51 (0.45 – 0.58)	0.021	0.071	9.66	0.002	0.28 (0.12 – 0.64)	0.077	0.216	17.67	3 × 10−05	0.31 (0.17 – 0.54)
13	0.182	0.127	60.24	8 × 10−15	1.54 (1.38 – 1.71)	0.279	0.164	10.61	0.001	1.98 (1.31 – 3.00)	0.202	0.088	20.78	5 × 10−06	2.64 (1.72 – 4.04)

¹OR; Odds Ratio, 95% CI; 95% confidence interval