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. Author manuscript; available in PMC: 2015 Jun 15.
Published in final edited form as: J Surg Res. 2014 Mar 15;189(2):232–237. doi: 10.1016/j.jss.2014.03.025

Table 3.

Manometric and pH-metric profile of patients with a DeMeester score of less than 65.2 (Group A), and those with a score greater than 65.2 (Group B).

Group A (n=7) Group B (n=3) p-value
Manometric profile
LES
LES pressure (mmHg) 17.7 ± 15.9 21.9 ± 15.5 0.71
LES total length (cm) 2.4 ± 1.1 2.3 ± 1.2 0.10
LES abdominal length (cm) 1 ± 0.6 2 ± 1 0.07
Esophageal body
DEA (mmHg) 24.7 ± 12.5 14.7 ± 2.9 0.22
pH-metric profile
Total time pH <4 (%) 7.3 ± 7.3 46.4 ± 34.4 0.01
 Upright 5.6 ± 9.8 30 ± 44.8 0.17
 Supine 9.5 ± 9.6 59.2 ± 35.7 0.006
Episodes >5min 3 ± 3 14 ± 3 0.001
Longest episode (minutes) 45.8 ± 47.6 117.1 ± 80.8 0.11
Total episodes 25 ± 13 132 ± 70 0.002
DeMeester score (normal: <14.7) 28.2± 24.2 146.6 ± 84.8 0.006
Esophageal clearance (seconds)
Total mean acid clearance time 232 ± 187 402 ± 384 0.35
 Upright 101 ± 150 265 ± 310 0.27
 Supine 1180 ± 1590 1807 ± 2599 0.64
Proximal pH sensor data
Total time pH <4 (normal: <1%) 0 ± 0 0.7 ± 1.1 0.10
 Upright 0 ± 0.1 0 ± 0 1
 Supine 0.2 ± 0.5 1.2 ± 2 0.22

LES: Lower Esophageal Sphincter

DEA: Distal Esophageal Amplitude

Results are reported as percentages for categorical variables and as average with standard deviation for scaled variables