Table 1.

Logistic regression analysis of the radiomics score and clinical candidate predictors in the training set.

Variables	Univariate logistic regression		Multivariate logistic regression
			Radiomics model			Clinical model
	OR (95% CI)	P-value	OR (95% CI)	P-value		OR (95% CI)	P-value
Radiomics score (per 0.1 increase)	1.304 (1.187–1.486)	<0.001	1.270 (1.163–1.436)	<0.001
Urine pH	0.255 (0.099–0.580)	0.002	0.373 (0.093–1.391)	0.149		0.277 (0.110–0.631)	0.004
Urine WBC count per microliter (<100 vs. ≥100)	0.208 (0.081–0.503)	<0.001	0.221 (0.045–0.948)	0.048		0.207 (0.074–0.536)	0.002
Urine nitrite (negative vs. positive)	0.339 (0.124–0.865)	0.028
Urine culture (negative vs. positive)	2.040 (0.825–5.257)	0.128

CI: Confidence interval; OR: Odds ratio; WBC: White blood cell.