From: Preoperative education with image illustrations enhances the effect of tetracaine mucilage in alleviating postoperative catheter-related bladder discomfort: a prospective, randomized, controlled study
Tetracaine group (n = 30)
Image group (n = 30)
P value
0.5 h
18 (60.0%)
6 (20.0%)
0.002
1 h
22 (73.3%)
0.000
2 h
16 (53.3%)
2 (6.7%)
6 h