Table 2. Logistic regression analysis of the associations of serum CA724 levels with effectiveness of chemotherapy in the group of patients with ORR.

Variables	OR	P	95% CI
CA724 (µ/mL)	1.037	0.002	1.013-1.061
Distant metastasis	3.553	0.028	1.145-11.025
Histologic grade	2.016	0.024	1.097-3.705

CA724, carbohydrate antigen 724; ORR, objective response rate.