Table 4.

Univariate and multivariate analyses of disease recurrence at stage III CRC patients.

Variables	Univariate analysis		Multivariate analysis
	OR (95% CIs)	p	OR (95% CIs)	p
PIK3CA exon 9 mutation (vs. wild-type)	2.26 (1.26-4.06)	0.007	2.54 (1.37-4.73)	0.003
PIK3CA exon 20 mutation (vs. wild-type)	2.15 (0.99-4.65)	0.053	3.89 (1.66-9.10)	0.002
Female (vs. male)	0.69 (0.42-1.14)	0.149	0.56 (0.33-0.97)	0.038
Right colon (vs. others)	0.43 (0.22-0.84)	0.013	0.38 (0.19-0.76)	0.006
Well differentiation (vs. others)	0.29 (0.07-1.23)	0.093	0.20 (0.04-0.89)	0.035

CIs, confidence intervals; OR, odds ratio.