From: Discussing the influence of electrode location in the result of esophageal prolonged pH monitoring
GROUP
3 cm above PBLES
5 cm above PBLES
P
GERD
25.67 ± 12.23
15.87 ± 11.71
0.008
CONTROL
11.27 ± 1.69
10.10 ± 2.33
0.37
0.001
0.022