Table 2.

Multivariable regression models for pathologic complete response in the training group.

	Odds ratio	95% confidence interval	p-value
Post-CEA	2.503	1.107–6.918	0.048
Post-MRI T stage
T1–2 vs. Tx	0.960	0.240–3.823	0.954
T3 vs. Tx	5.312	1.878–64.93	0.011
T4 vs. Tx	8.893	0.730–110.0	0.152
Post-SUVmax	1.547	1.068–2.493	0.041
Post-MTV	1.187	1.113–1.486	0.039

CEA, carcinoembryonic antigen; MRI, magnetic resonance imaging; SUV, standardized uptake value; MTV, metabolic tumor volume.