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Table 4 VAS pain scores on ureteral stent removal

From: Rethinking of ureteral stent removal using an extraction string; what patients feel and what is patients' preference? : a randomized controlled study

VAS score String No string P-value*
Overall 2.94±1.35 4.23±2.45 0.005
Male 3.19±1.09 4.58±2.23 0.006
Female 2.46±1.71 3.54±2.82 0.25
P-value** 0.22 0.11  
  1. *between string group and no string group, **between male and female