Table 4.

Multivariate analysis of the influencing factors on the success rate after fURS in lower calyx patients.

Variables	B	SE	OR	95% CI	p
Male	−0.045	0.746	0.956	0.222–4.129	0.952
Left	−1.328	0.758	0.265	0.060–1.170	0.080
No/mild hydronephrosis	2.293	0.762	9.908	2.224–44.132	0.003
Stone volume ≤ 1 cm3	2.121	0.945	8.337	1.309–53.106	0.025
fURS ≥ 100	2.413	0.854	11.169	2.095–59.550	0.005
Radiomics score	0.986	0.333	2.679	1.395–5.146	0.003

fURS, flexible ureteroscope.