Risk modeling of delayed postoperative bleeding after endoscopic submucosal dissection for early colorectal cancer and precancerous lesions

Figure 1 Nomogram for predicting delayed postoperative bleeding in patients with early colorectal cancer and precancerous lesions.

Figure 2 Receiver operating characteristic curves in the modeling and validation groups. A: Receiver operating characteristic curve of the modeling group; B: Receiver operating characteristic curve of the validation group. AUC: Area under the curve.