Predicting tumor response after preoperative chemoradiation using clinical parameters in rectal cancer

Table 3 Multivariate analysis to identify predictors of tumor and complete regression

	Tumor regression grade (0-3 vs 4)
	OR	95% CI	P value
Pre-CRT size	1.265	0.622-2.569	0.516
Pre-CRT movability	2.780	1.141-6.777	0.024
Post-CRT size	3.473	1.235-9.767	0.018
Post-CRT morphology	11.100	1.389-88.673	0.023
Gross Change	5.847	1.519-19.814	0.009
ycT classification	2.073	0.968-4.440	0.061
ycN classification	1.887	0.917-3.883	0.085

CRT: Chemoradiation therapy; OR: Odd ratio; CI: Confidence interval.