Table 4.

Multivariate logistic regression modeling of association between 1-carbon enzyme alleles and CT gene expression

Polymorphism	OR$	95% CI	P*
MTHFR 677 (rs1801133)	13.18	1.96-88.5	0.004
MTHFR 1298 (rs1801131)	0.56	0.15-2.09	0.53
MTR 2756 (rs1805087)	0.81	0.14-4.75	1
MTRR 66 (rs1801394)	0.67	0.22-2.00	0.52
RFC 80 (rs1051266)	0.7	0.24-2.07	0.62

^$ Based on number of major alleles, adjusted for age, sex, histology and t stage; * computed using the EXACT option of PROC LOGISTIC in SAS to account for the small data set.