Prospective Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. Mar 14, 2015; 21(10): 3030-3034
Published online Mar 14, 2015. doi: 10.3748/wjg.v21.i10.3030
Table 1 Demographic features of cases
Age, yr (mean/range)49 ± 12 (28-70)
Sex, n (female/male)23/23
BMI, kg/m2 (mean age, range)
< 3027.7 ± 1.7 (25-29)
> 3033.5 ± 3.3 (30.5-45.5)
Comorbidity37.0%
Smoking23.9%
Endoscopic esophagitis46.0%
Impedance results, n (%)
Normal14 (30.4)
Pathologic acid reflux16 (34.8)
Weakly acid reflux15 (32.6)
Weakly alkaline reflux1 (2.2)