Table 2.

Allelic frequencies in urinary bladder cancer patients and controls

Gene name	dbSNPa	Nucleotide/amino acid change	MAFb	χ 2c	P valuec	MAFb	χ 2c	P valuec
			BC patients			Controls
GSTM1	–	Deletion		–			–
GSTT1	–	Deletion		–			–
GSTA1	rs3957357	−69C/T	0.38	0.25	0.62	0.40	1.19	0.26
GSTP1	rs1695	562A/G/exon 5, Ile105Val	0.30	0.91	0.34	0.33	0.17	0.68
SOD2	rs4880	−9C/T/exon 1, Ala16Val	0.47	2.22	0.14	0.51	4.82	0.03
NRF2	rs6721961	−617C/A	0.12	0.17	0.68	0.12	1.41	0.24

^adbSNP from http://www.ncbi.nlm.nih.gov/projects/SNP

^b MAF minor allele frequency

^cTest of departure from HWE