Table 4.

Predictive factors for good downstaging in multivariate logistic regression analysis for all patients

Variable		P-value	OR	95%CI
CEA (ng/mL)	≤ 5	0.095	1.565	0.925-2.647
	> 5		1
Differentiation	Well	0	4.814	2.343-9.892
	Moderate-poor		1
DTAV (cm)	≥ 5	0.052	0.588	0.345-1.004
	< 5		1
TL (cm)	≤ 3	0.9	1.04	0.566-1.909
	> 3		1
cT	3	0.046	0.248	0.063-0.974
	4	0.127	0.282	0.056-1.434
	2		1
MRF	-	0	4.226	1.894-9.426
	+		1

DTAV: Distance of tumor from the anal verge; TL: Tumor length; MRF: Mesorectal fascia; CEA: Carcinoembryonic antigen.