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The association between the methods used the following variables: occurrence of perforation, length of perforation, and the time of operation
| BAOSFE | BALLOON | CAS kit | Total | Stats | p value | |
|---|---|---|---|---|---|---|
| Occurrence of perforation | 7 (58.4%) N = 12 | 1 (8.3%) N = 12 | 1 (8.3%) N = 12 | 9 (25%) N = 36 | × 2 = 8.585a | 0.014 |
| Length of perforation (mean) | 3.42 mm | 0.5 mm | 0.5 mm | 0.711 mm | F = 11.031 | 0.0001 |
| Time of operation (mean) | 3.073 min | 5.393 min | 8.486 min | 5.651 min | F = 1221 | 0.0001 |
F ANOVA test
aChi-square test
