Observational Study
Copyright ©The Author(s) 2017.
World J Gastroenterol. Jan 21, 2017; 23(3): 525-532
Published online Jan 21, 2017. doi: 10.3748/wjg.v23.i3.525
Table 1 Consumption of medications
Major symptoms
No major symptoms
FrequentOccasional
Antacids/alginate31.2%26.9%9.2%
Acid inhibitors28.2%21.5%7.2%
Aspirin40.0%40.9%45.1%
NSAIDs29.0%30.1%22.2%
Table 2 Body mass index and gastroesophageal reflux disease prevalence
Total
GERD
nn (%)
BMI (kg/m2)
≤ 18.510716 (15.0)
18.6 - 24.91272254 (20.0)
25.0 - 29.91110257 (23.2)
30+492140 (28.5)
Mantel-Haenszel χ2 testP < 0.0001
Table 3 Prevalence of additional symptoms according to symptom frequency
(χ2)FrequentOccasionalNone
NCCP (179)35.9%ac30.2%a13.7%
Dysphagia (230)24.5%a18.6%a4.6%
Belching (221)36.8%a28.3%11.9%
Nausea (601)29.7%a10.6%3.4%
Vomiting (417)15.7%a3.4%0.9%
Hematemesis (33)2.6%a1.4%0.2%
Hiccup (68)6.4%a7.0%a1.2%
Cough (70)16.3%a11.7%5.9%
Asthma (24)8.2%a3.8%3.7%
Hoarseness (48)6.2%a4.0%1.3%
Chronic pharyngitis (32)8.4%a7.2%a3.3%
Table 4 Prevalence of additional symptoms in studies using the Mayo questionnaire
Olmsted (United States)[1]TurkeyMoscow (Russia)[17]Argentina[18]North West China[8]
NCCP23.135.915.537.634.7
Dysphagia13.524.525.526.86.5
Odynophagia--34.4-10.7
Globus7.023.825.526.315.2
Dyspepsia10.6-60.238.729.3
Belching-36.843.0--
Nausea-29.753.8--
Vomiting-15.729.1--
Hiccup-6.46.8--
Cough-16.336.7-8.9
Asthma9.38.2-6.74.2
Pharyngeal symptoms and Hoarseness14.37.310.421.89.4