Research Article
Risk Factors for an Iatrogenic Mallory-Weiss Tear Requiring Bleeding Control during a Screening Upper Endoscopy
Figure 4
Curve for the number of previous upper endoscopies performed for bleeding control in iatrogenic Mallory-Weiss tear cases. The cut-off for bleeding control is 2,237.5 cases and the area under the curve is 0.590 (95% confidence interval, 0.524–0.655).