Table 3. Conditional logistic regression models of HLA-B and of ERAP1 haplotypes.

HLA-B Risk	H1H1	PatientsN = 343	Controls N = 450	P	OR (95%CI)
+	+	28	13	<10−5	4.35 (2.19–8.64)
+	-	150	70	<10−5	4.33 (3.07–6.11)
-	+	14	62	0.01	0.46 (0.25–0.84)
-	-	151	305		1.0
HLA-B Risk	H2H2
+	+	23	6	<10−5	8.54 (3.40–21.42)
+	-	155	77	<10−5	4.48 (3.20–6.28)
-	+	20	44	>0.05
-	-	145	323		1.0
HLA-B Risk	H3H3
+	+	6	1	0.015	13.82 (1.65–115.72)
+	-	172	82	<10−5	4.83 (3.49–6.68)
-	+	10	10	>0.05
-	-	155	357		1.0
HLA-B Risk	H4H4
+	+	3	0	>0.05
+	-	175	83	<10−5	4.73 (3.44–6.52)
-	+	2	1	>0.05
-	-	163	366		1.0