The effect of preoperative ureteral stenting in retrograde Intrarenal surgery: a multicenter, propensity score-matched study

Table 4 Multivariate logistic regression of stone-free rate predictors

Variables	After propensity score-matching
Variables	OR (95%Cl)	p-value
BMI	0.98 (093–1.04)	0.570
Preoperative DJ stenting	1.07 (0.49–2.32)	0.861
Laterality	0.91 (0.43–1.93)	0.805
Number of stones	0.92 (0.78–1.09)	0.348
Stone max diameter	0.95 (0.90–0.99)	0.028
Density of stones	0.99 (0.99–1.00)	0.007
Modified S-ReSC score	0.42 (0.29–0.75)	0.002
Hydronephrosis	0.91 (0.46–1.79)	0.781
Access sheath placement	1.27 (1.08–1.88)	0.029

BMI Body mass index, S-ReSC Seoul National University Renal Stone Complexity score

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