Fig. 3From: Role of barium enema examination for the diagnosis of submucosal invasion depth in T1 colorectal cancersReceiver-operating characteristics curves of wall rigidity under the profile view of barium enema examination for predicting submucosal (SM) invasion depth ≥ 1.8 mm. a: The most appropriate cut-off value for horizontal rigidity was 4.5 mm (AUC: 0.817), with a sensitivity of 82.6%, and a specificity of 77.4%. b: The most appropriate cut-off value for vertical rigidity was 0.7 mm (AUC: 0.756), with a sensitivity of 91.3%, and a specificity of 54.7%Back to article page