Circulating lymphocyte is an important determinant of the effectiveness of preoperative radiotherapy in advanced rectal cancer

Table 3 Multivariate analysis for complete response (CR)

Variables	Odds ratio	(95% CI)	p value
N stage: N1 vs N0	0.041	0.034-1.138	0.067
Clinical Stage: 2 vs 3/4	6.864	0.541-9.354	0.193
Circumferential extent: 60%> vs 60% <	0.560	0.396-1.338	0.332
CRT vs RT	2.313	0.855-2.887	0.156
Lymphocytes(%): 25.7% ≤ vs 25.7% >	4.000	1.057-4.455	0.032

Five variables, N stage, Clinical stage, chemotherapy, circumferential extent, % lymphocytes which may have possible correlation with CR rate and their independency were analyzed with stepwise logistic regression analysis using JMP software 8.0.

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