Table 3.

Univariate and multivariate analysis for predicting higher T stage according to various clinical parameters.

	Univariate analysis			Multivariate analysis
	OR	95% CI	p value	OR	95% CI	p value
Hydronephrosis
Mild	1 (Ref.)			1 (Ref.)
Severe	3.667	1.421–9.788	0.0071	4.838	1.462–17.96	0.0094
Urine cytology
Negative	1 (Ref.)			1 (Ref.)
Positive	4.714	1.804–13.59	0.0013	7.729	2.358–30.62	0.0005
Median CT value (HU)
Low	1 (Ref.)			1 (Ref.)
High	2.478	1.008–6.335	0.0481	1.287	0.396–4.129	0.6705
Standard deviation
Low	1 (Ref.)			1 (Ref.)
High	5.914	2.249–17.20	0.0002	9.963	2.959–40.94	0.0001
Skewness
Low	1 (Ref.)			1 (Ref.)
High	1.240	0.508–3.040	0.6351	0.847	0.250–2.752	0.7831
Kurtosis
Low	1 (Ref.)			1 (Ref.)
High	0.940	0.383–2.290	0.891	0.837	0.250–2.723	0.7669

OR odds ratio, CI confidence interval, CT computed tomography, HU Hounsfield unit.

The significance of bold means p < 0.05.