Research on Gastroesophageal Reflux Disease Based on Dynamic Features of Ambulatory 24-Hour Esophageal pH Monitoring

Table 2

values obtained from every two groups.

values	Information entropy	Wavelet entropy
Normal versus mild-to-moderate	0.000	0.000
Normal versus severe	0.000	0.04
Mild-to-moderate versus severe	0.000	0.001