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Table 1 Baseline characteristics of the included patients

From: Comparison of the efficacy and safety of URSL, RPLU, and MPCNL for treatment of large upper impacted ureteral stones: a randomized controlled trial

Variable URSL group MPCNL group RPUL group P valuea P valueb P valuec
  N = 50 N = 50 N = 50    
Mean age (years) 42 ± 14 41 ± 15 44 ± 11 0.769 0.385 0.581
Male/female 28/22 31/19 29/21 0.274 0.162 0.469
Side (left / right) 26/24 27/23 29/21 0.481 0.376 0.583
Mean stone size (mm) 16.8 ± 2.1 19.3 ± 1.8 18.8 ± 1.4 0.677 0.943 0.876
Hydronephrosis (mm) 35.8 ± 5.5 40.2 ± 7.8 38.4 ± 6.9 0.264 0.573 0.815
  1. aURSL vs. MPCNL; bURSL vs. RPUL; cMPCNL vs. RPUL