Table 3. DPB1 supertype frequency in childhood leukaemia and solid tumours compared with controls.

	Leukaemia				Solid tumour
DPB1 supertype	%	OR	95% CI	P	%	OR	95% CI	P	Newborn controls %
DP2 (GEG)	10.3	1.6	1.2–2.0	0.0002*	7.3	1.1	0.8–1.5	0.6	6.8
DP4 (GKG)	59.6	1.1	0.9–1.2	0.38	60.3	1.1	0.9–1.3	0.3	58.0
DP6 (LED)	6.8	1.3	1.0–1.8	0.04	6.5	1.3	0.9–1.8	0.2	5.2
DP3 (LKD)	12.0	0.9	0.7–1.1	0.29	12.8	0.9	0.8–1.2	0.8	13.2
DP8 (GED)	1.4	2.9	1.4–6.3	0.006*	0.6	1.4	0.5–3.9	0.8	0.5
DP1 (GKD)	6.9	0.6	0.5–0.7	<10−4*	8.6	0.8	0.6–1.1	0.09	11.1
Global χ2		<10−6**				0.04
Number=		895				409			864

^*Significant (P<0.05) after correction for six supertypes.

^**Significant (P<0.05) in global χ² (CLUMP) analysis.