Table 4. Multivariate logistic regression model evaluating the risk factor of muscle invasiveness.

Variable	HR	95% CI	P value
VI-RADS	25.090	6.969–90.334	<0.001
Hydronephrosis	0.343	0.036–3.241	0.350
Size	2.176	0.450–10.521	0.334
No. of lesions	0.261	0.054–1.274	0.097

VI-RADS, Vesical Imaging-Reporting and Data System; HR, hazard ratio; CI, confidence interval.