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Multinomial Logistic Regression of Group Membership
Group A, patients who fully responded to proton pump inhibitor (PPI) once daily; Group B, patients who failed PPI once daily; Group C, patients who failed PPI twice daily; GSCI, Gastroparesis Cardinal Symptom Index; BMI, body mass index.
ORs were estimated with 95% CIs. All tests are 2-sided and considered significant at P < 0.05. aP-value is for across-group comparison (post hoc testing was conducted for significant findings).
