Table 4: Regression analysis for COX-2 immunostaining in UCB.

Variable95% CI for value

Grade2.41.568-3.674<0.001
Muscle invasion0.1530.034-0.6920.015
Pathological stage (pT)0.1500.033-0.6800.014
Lymphovascular invasion0.2590.091-0.7360.011
Distant metastasis0.2720.079-0.9380.039