Table 2 Leakage of the system
Experimental group | Control group | p-value | |
|---|---|---|---|
Trainer box visual inspection | 1/30 (Trial 1) | 7/30 (Trial 4, 9, 13, 14, 18, 27, and 30) | |
Bag visual inspection | 0/30 | 2/30 (Trial 6 and 9) | |
Cytological findings | 0/30 | 5/30 (Trial 6, 9, 13, 18, and 27) | |
Leakage rate | 3.3% | 26.6% | 0.026 |