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. Author manuscript; available in PMC: 2020 Sep 1.
Published in final edited form as: Am J Gastroenterol. 2019 Sep;114(9):1455–1463. doi: 10.14309/ajg.0000000000000137

Figure 7.

Figure 7.

Outcome analysis tree for retention (A) and Eckardt score (B). A breakdown of patients and % based on distensibility index (DI) and anatomy is shown. Statistically significant differences are indicated. Discordant cases are marked with an *.

3/5 cases a low DI yet no retention had repetitive antegrade contractions, and all 5 had contractility. Both cases of deformity were epiphrenic diverticula.

4/5 cases with retention despite a normal DI had a DI < 3.5 suggesting a borderline obstruction. 3/5 of these cases also had repetitive retrograde contractions.

2/2 cases with an ES >3 despite a normal DI had a DI < 3.5 suggesting a borderline obstruction. 1 of these cases also had repetitive retrograde contractions.