Table 4. DPB1 supertype frequency in BCP ALL and non-BCP leukaemia compared with controls.

	BCP ALL				Non-BCP leukaemia
DPB1 supertype	%	OR	95% CI	P	%	OR	95% CI	P
DP2 (GEG)	10.8	1.7	1.3–2.1	<10−4*	8.4	1.3	0.9–1.9	0.3
DP4 (GKG)	60.0	1.1	0.9–1.2	0.27	57.9	0.9	0.8–1.2	1.0
DP6 (LED)	6.2	1.2	0.9–1.6	0.24	8.9	1.8	1.2–2.7	0.007*
DP3 (LKD)	11.6	0.9	0.7–1.1	0.21	13.0	0.9	0.7–1.3	0.9
DP6 (GED)	1.5	3.2	1.5–7.0	0.004*	1.0	2.2	0.7–6.6	0.4
DP1 (GKD)	6.4	0.5	0.4–0.7	<10−5*	8.4	0.7	0.5–1.1	0.1
Global χ2			<10−6**				0.04**
Number=			687				208

^*Significant after correction for six supertypes.

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