Skip to main content

Table 4 Post hoc analysis of characteristics of dilatation procedures undertaken in those with mucosal defects involving the whole circumference or less than the whole circumference of the esophagus

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

WCMD vs. NWCMD WCMD group NWCMD group p-value
n = 10 n = 22
Frequency of stricture, n (%) 10 (100) 14 (63.6) 0.035
Required dilatation sessions, n mean ± SD (range) 16.3 ± 9.7(6–40) 6.1 ± 6.4 (0–20) 0.013
Perforation by dilatations, n per session (%) 1/163 (0.6) 1/134 (0.7) 0.93
Minimum diameter of stenotic region, mm mean ± SD (range) 7.2 ± 2.6(5.1-12.7) 9.9 ± 4.7(5.3-21.8) 0.10
Duration of dilatations, months mean ± SD (range) 8.1 ± 5.2(2–20) 3.3 ± 3.5(0–20) 0.047
  1. Abbreviations: WCMD, whole circumferential mucosal defect; NWCMD, non-WCMD; SD, standard deviation.