Skip to main content

Table 4 Reflux on high resolution esophageal manometry with impedance testing and ambulatory pH monitoring with impedance testing: patients stratified by type of EGJ morphology

From: Characterizing reflux on high resolution esophageal manometry with impedance

 

EGJ type I morphology (n = 118)

EGJ type II/III morphology (n = 111)

p value

Reflux on HREMI

11 (9.3%)

36 (32.4%)

< 0.001

Esophageal Acid Exposure Time

7.9 ± 1.0

12.0 ± 1.3

0.007

Reflux events detected on MII- pH

38.0 ± 3.3

55.5 ± 3.4

< 0.001

Lyon classification

 GERD

48 (40.7%)

65 (58.6%)

0.006

 Borderline

21 (17.8%)

21 (18.9%)

 

 Normal

49 (41.5%)

25 (22.5%)

 
  1. Results expressed as n (%) or mean ± standard error of mean as appropriate; p value (comparing patients with type I EGJ morphology with type II and III EGJ morphologies) calculated using Student’s t test or Chi Squared test as appropriate. Abbreviations: GERD (Gastroesophageal Reflux Disease), HREMI (High Resolution Esophageal Manometry with Impedance), MII (Multichannel intraluminal impedance)