Comparison of Esophageal Function Tests in Chinese Patients with Functional Heartburn and Reflux Hypersensitivity

Table 4

Results of stepwise linear regression analyses seeking predictors of ineffective esophageal motility ().

Items	Unstandardized coefficients		value
	B	SE
Constant	1.867	0.121
Complete bolus transit rate	−0.092	0.007
SAP-positive belch	0.182	0.066
UESP	−0.002	0.001
Bolus exposure total	0.049	0.023

SAP: symptom association probability; UESP: upper esophageal sphincter pressure.