Parameter | CEMR | UEMR | Total | P value |
---|---|---|---|---|
 | n = 71 | n = 71 | n = 142 |  |
Median procedure time (IQR, second) | 81 (52–113) | 72 (53–83) |  | 0.183a |
Adverse event | n = 71 | n = 71 | n = 142 |  |
Bleeding | 1 | 1 | 2 | 1.000b |
Perforation | 0 | 0 | 0 | / |
 | n = 64 | n = 66 | n = 130 |  |
Delayed bleeding | 2 | 0 | 2 | 0.240b |
Delayed perforation | 0 | 0 | 0 | / |
Unfollowed | 4 | 3 | 7 | 0.716b |