Polymorphisms in sulfotransferase 1A1 and glutathione S-transferase P1 genes in relation to colorectal cancer risk and patients’ survival

Table 2 Multivariate analysis of GSTP1, gender, age, site, Dukes’ stage, growth pattern, and histological type in relation to survival in colorectal cancer

Variable	Number	Cancer deathRate ratio	95%CI	P
GSTP1 genotype
A/A	14	1.0	–	0.03
A/G+G/G	26	5.3	1.26–19.53
Gender				0.09
Male	25	1.0	–
Female	15	0.2	0.05–1.18
Age				0.37
≤70	15	1.0	–
>70	25	1.9	0.51–7.94
Tumor location				1.00
Colon	21	1.0	–
Rectum	19	1.0	0.26–3.98
Dukes’ stage				1.16
A+B	19	1.0	–
C+D	21	2.7	0.69–10.72
Growth pattern				0.08
Expansive	24	1.0	–
Infiltration	16	4.1	0.85–19.45
Histological type				0.02
Non-mucinous	27	1.0	–
Mucinous	13	7.1	1.39–32.07