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Table 5 Subgroup analysis of patients with mucosal defects involving the whole esophageal circumference

From: A randomized controlled trial of endoscopic steroid injection for prophylaxis of esophageal stenoses after extensive endoscopic submucosal dissection

Treatment vs. Control in the WCMD Treatment subgroup Control subgroup p-value
n = 5 n = 5
Frequency of stricture, n (%) 5 (100) 5 (100) 0.99
Required dilatation sessions, n mean ± SD (range) 10.4 ± 3.5(6–15) 22.2 ± 10.6 (13–40) 0.046
Perforation by dilatations, n per session (%) 0/52 (0) 1/111 (0.9) 0.99
Minimum diameter of stenotic region, mm mean ± SD (range) 7.7 ± 1.7 (5.4-9.6) 6.7 ± 3.4 (5.1-12.7) 0.58
Duration for dilatations, month mean ± SD (range) 6.2 ± 4.4 (2–13) 10.0 ± 5.7 (6–20) 0.27
  1. Abbreviations: WCMD, whole circumferential mucosal defect; NWCMD, non-WCMD; SD, standard deviation.