Table 4.

Contribution to ethnic incidence rate ratios by established glioma susceptibility loci.

SNP	Reference allele	Reference allele frequency			Odds ratio (95% confidence interval)a	White-East Asian incidence rate ratio	White-African incidence rate ratio
		White	East Asian	African
rs6010620	A	0.23	0.70	0.02	0.68 (0.58, 0.79)b	1.34	0.90
rs1412829	C	0.40	0.10	0.01	1.39 (1.24, 1.57)b	1.22	1.30
rs2736100	G	0.54	0.41	0.42	1.27 (1.19, 1.37)c	1.05	1.05
rs4295627	G	0.15	0.24	0.16	1.36 (1.29, 1.43)c	0.95	0.99
rs4977756	G	0.37	0.23	0.34	1.24 (1.19, 1.30)c	1.06	1.01
rs498872	T	0.28	0.24	0.08	1.18 (1.13, 1.24)c	1.01	1.07
rs2252586	T	0.28	0.02	0.32	1.18 (1.11, 1.25)d	1.09	0.99

^aOdds ratios were calculated according to an additive model (0, 1, or 2 copies of the reference allele).

^bWrensch et al. (2009).

^cShete et al. (2009).

^dSanson et al. (2011).