Table 1.

Patient Characteristics

Data are presented as mean±SD or number (%).

BMI, body mass index; EGD, esophagogastroduodenoscopy; GERD, gastroesophageal reflux disease; NCCP, non-cardiac chest pain; CAD, coronary arterial disease.

^*The patients who were diagnosed as GERD by impedance (pathologic bolus exposure); ^†Among the 63 patients, 36 patients had both typical and atypical symptoms.