Randomized Controlled Trial
Copyright ©The Author(s) 2015.
World J Gastroenterol. Apr 28, 2015; 21(16): 5023-5031
Published online Apr 28, 2015. doi: 10.3748/wjg.v21.i16.5023
Table 2 Clinical features of non-erosive reflux disease Grade N and M
Grade N (n = 56)Grade M (n = 41)P value
Age (yr), mean ± SD49.8 ± 16.753.3 ± 13.70.32
Sex, male/female14/4218/230.05
BMI (kg/m2)22.5 ± 4.421.5 ± 2.60.44
Height (cm)158.6 ± 7.3162.9 ± 8.30.02
Weight (kg)56.7 ± 12.157.2 ± 8.40.50
Hiatal hernia (+/-)7/4914/270.02
Drinking (+/-)17/3918/230.10
Smoking (+/-)7/498/230.30