From: Value of preoperative ureteral wall thickness in prediction of impaction of ureteric stones stratified by size in laser ureteroscopic lithotripsy
Cut-off
AUC (95% CI)
Sensitivity
Specificity
All patients
3.8
0.65 (0.55–0.74)
75.0
50.0
Patients with stone size ≤ 10 mm
4.1
0.76 (0.61–0.91)
71.2
Patients with stone size > 10 mm
3.0
0.72 (0.62–0.83)
54.8