Table 4.
Univariate analysis of procedure characteristics
| Procedure characteristics | Non-stenosis | Stenosis | P value |
|---|---|---|---|
| Lift sign, n | 0.017* | ||
| Positive | 136 | 45 | |
| Negative | 3 | 6 | |
| Rich blood vessels, n | 0.033* | ||
| Rich | 106 | 46 | |
| Not rich | 33 | 5 | |
| En bloc resection, n | < 0.001* | ||
| Yes | 130 | 32 | |
| No | 9 | 19 | |
| Muscular injury, n | 0.005* | ||
| Yes | 21 | 17 | |
| No | 118 | 34 | |
| Perforation, n | < 0.001* | ||
| Yes | 0 | 6 | |
| No | 139 | 45 | |
| Hemorrhage, n | 0.104 | ||
| Yes | 1 | 3 | |
| No | 128 | 48 | |
| Clips number | 2 | 3 | 0.81 |
| Operating time, medium, min | 60 | 90 | < 0.001* |
| Experience of operator, n | 0.971 | ||
| Average | 13 | 4 | |
| Advanced | 126 | 47 |
*Indicates that the results were statistically significant