Prevalence of esophageal eosinophilia in patients referred for diagnostic upper gastrointestinal endoscopy

Egyptian Liver Journal

Table 2 Correlation between EE as an ordinal variable and dichotomous study variables

Study variable	Correlation coefficient	P value
Rank biserial correlation (dichotomous variables)	r_rb	P value
Marital status	0.025	0.817
Sex	− 0.246	0.022
Residence	0.185	0.088
Diabetes mellitus	0.086	0.431
Hypertension	0.217	0.045
Atopy	0.125	0.252
NSAIDs use	0.125	0.252
PPI use	− 0.066	0.548
Dysphagia	0.336	0.002
Nausea	− 0.056	0.607
Vomiting	0.026	0.812
Heartburn	0.101	0.355
Abdominal pain	0.042	0.699
Chronic gastritis	− 0.186	0.086
H. pylori	− 0.011	0.923
Hiatus hernia	0.485	< 0.001
Incompetent cardia	− 0.348	0.001
Fixed rings	0.452	< 0.001
Weight loss	− 0.084	0.429