Preparation procedures Time(minutes)
Start of anesthesia to the beginning of urinary catheterization 7.73±4.52
Urinary catheterization 3.21±3.36
End of catheterization to start of disinfection 8.43±4.13
disinfection 2.05±2.91
Draping 3.47±3.87
End of draping to start of operation 7.85±4.94
Total preparing time 31.75±4.29