Table 2. Logistic regression analysis:predictors of pathologic complete response (pCR).

Variable	OR	95% CI	p-value
Interruption CHT			0.145
yes (no)	3.41	0.45 - 16.66
Interval between nCRT and S			0.178
> 8 w (≤ 8 w)	2.13	0.56 - 5.61
T dimension			0.035
> 5 cm (≤ 5 cm)	0.25	0.1 - 3.44
Nodal status			0.084
N2 (N0-1)	2.65	0.97 - 12.62
Cycles CHT			0.755
≤ 4 (> 4)	0.71	0.13 - 15.04
Distance from anal verge			0.494
> 8 (≤ 8 cm)	1.57	0.5 - 25.83

OR: odds ratio; CI: confidence interval; CHT: chemotherapy; nCRT: neoadjuvant chemoradiotherapy; S: surgery; w: weeks; T: tumor; N: nodes