The diagnostic value of pepsin detection in saliva for gastro-esophageal reflux disease: a preliminary study from China

Table 6 Correlation analyses between concentrations of salivary pepsin, 24-h MII pH monitoring and HRM

Parameters	r_s	P
Concentrations of pepsin
vs. DeMeester score	0.665	<0.001
vs. AET	0.423	<0.001
vs. BET	0.178	0.005
vs. Number of all reflux episodes	0.424	<0.001
vs. LES	-0.181	0.004
vs. UES	−0.056	0.376

HRM high resolution manometry, AET acid exposure time, BET bolus exposure time, LES lower esophageal sphincter, UES upper esophageal sphincter, 24-h MII-pH 24-h multichannel impedance pH

ISSN: 1471-230X