Figure 4

Rectal bleeding and endoscopic findings of patients with initial VRS ≥ 3. (a) Cumulative incidence of grade ≥ 1 (blue), grade ≥ 2 (orange), and grade 3 (red) rectal bleeding. (b) Changes in VRS over time. VRS, Vienna Rectoscopy Score.

Rectal bleeding and endoscopic findings of patients with initial VRS ≥ 3. (a) Cumulative incidence of grade ≥ 1 (blue), grade ≥ 2 (orange), and grade 3 (red) rectal bleeding. (b) Changes in VRS over time. VRS, Vienna Rectoscopy Score.