Retrospective Study
Copyright ©The Author(s) 2019.
World J Gastroenterol. Jul 7, 2019; 25(25): 3231-3241
Published online Jul 7, 2019. doi: 10.3748/wjg.v25.i25.3231
Table 1 Demographic data and endoscopic features of study groups, n (%)
CharacteristicsBarrett's esophagus
P value
Yes (n = 89)No (n = 3296)
Age (yr) (mean ± SD)55.63 ± 10.4951.18 ± 11.43< 0.001a
Male gender73 (82)1859 (56.4)< 0.001a
Smoking23 (25.8)576 (17.5)0.041a
Consumption of alcohol43 (48.3)1080 (32.8)0.002a
Consumption of betel nuts5 (5.6)52 (1.6)0.016a
Ingestion of coffee23 (25.8)658 (20)0.172
Ingestion of tea26 (29.2)624 (18.9)0.015a
Presence of hypertension31 (34.8)619 (18.8)< 0.001a
Presence of cardiovascular disease33 (37.1)742 (22.5)0.001a
Presence of pulmonary disease3 (3.4)100 (3.0)0.752
Presence of diabetes8 (9)224 (6.8)0.419
Reflux symptoms3 (3.4)163 (4.9)0.801
Waist< 0.001a
Normal (< 90 cm for male, < 80 cm for female)52 (58.4)2566 (77.9)
Obese (≥ 90 cm for male, ≥ 80 cm for female)37 (41.6)730 (22.1)
Body fat percentage0.072
Normal (< 25 cm for male, < 30 cm for female)50 (56.8)2163 (66)
Obese (≥ 25 cm for male, ≥ 30 cm for female)38 (43.2)1113 (34)
Body mass index0.002a
Normal (BMI < 24)33 (37.1)1818 (55.2)
Overweight (24 ≤ BMI < 27)34 (38.2)960 (29.1)
Obese (27 ≤ BMI)22 (24.7)518 (15.7)
H. pylori infection14 (15.7)603 (18.3)0.536
Endoscopic findings
Reflux esophagitis31 (34.8)608 (18.4)< 0.001a
Hiatal hernia71 (79.8)1739 (52.8)< 0.001a
Gastritis68 (76.4)2263 (68.7)0.119
Gastric ulcer45 (50.6)1345 (40.8)0.065
Duodenal ulcer5 (5.6)218 (6.6)0.709
Gastric and duodenal ulcer47 (52.8)1421 (43.1)0.069
Inlet patch8 (9)167 (5.1)0.137
Table 2 Multivariate analysis of risk factors predicting Barrett's esophagus
Clinical factorCoefficientStandard errorOdds ratio (95%CI)P value
Age0.0330.0111.033 (1.012-1.055)0.002
Male gender0.7450.3112.106 (1.145-3.872)0.017
Tea consumption0.5280.2481.695 (1.043-2.754)0.033
Hiatal hernia1.1110.2773.037 (1.765-5.225)< 0.001
Table 3 Univariate analysis of risk factors in relation to presence of intestinal metaplasia in the subjects with columnar lined epithelium of the esophagus, n (%)
CharacteristicsESEM
P value
With specialized IM (BE) (n = 89)No specialized IM (n = 334)
Age (yr) (mean ± SD)55.63 ± 10.4951.36 ± 11.270.001a
Male gender73 (82)226 (67.6)0.008a
Smoking23 (25.8)66 (19.8)0.211
Consumption of alcohol43 (48.3)124 (37.1)0.055
Consumption of betel nuts5 (5.6)6 (1.8)0.059
Ingestion of coffee23 (25.8)90 (26.9)0.834
Ingestion of tea26 (29.2)90 (26.9)0.67
Presence of hypertension31 (34.8)72 (21.6)0.010a
Presence of cardiovascular disease33 (37.1)80 (24)0.013a
Presence of pulmonary disease3 (3.4)10 (3.0)0.741
Presence of diabetes8 (9)26 (7.8)0.710
Reflux symptoms3 (3.4)20 (6.0)0.437
Waist0.007a
Normal (< 90 cm for male, < 80 cm for female)52 (58.4)244 (73.1)
Obese (≥ 90 cm for male, ≥ 80 cm for female)37 (41.6)90 (26.9)
Body fat percentage0.275
Normal (< 25 cm for male, < 30 cm for female)50 (56.8)211 (63.2)
Obese (≥ 25 cm for male, ≥ 30 cm for female)38 (43.2)123 (36.8)
Body mass index0.121
Normal (BMI < 24)33 (37.1)157 (47)
Overweight (24 ≤ BMI < 27)34 (38.2)122 (36.5)
Obese (27 ≤ BMI)22 (24.7)55 (16.5)
H. pylori infection14 (15.7)68 (20.4)0.326
Endoscopic findings
Reflux esophagitis31 (34.8)112 (33.5)0.818
Hiatal hernia71 (79.8)289 (86.5)0.112
Gastritis68 (76.4)245 (73.4)0.56
Gastric ulcer45 (50.6)143 (42.8)0.191
Duodenal ulcer5 (5.6)25 (7.5)0.542
Gastric and duodenal ulcer47 (52.8)152 (45.5)0.22
Inlet patch8 (9)30 (9)0.998
Length of ESEM (cm)1.42 ± 0.841.31 ± 0.480.243
Table 4 Multivariate analysis of risk factors in relation to presence of specialized intestinal metaplasia
Clinical factorCoefficientStandard errorOdds ratio (95%CI)P value
Age0.0290.0121.029 (1.006-1.053)0.014 a