Case Control Study
Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastrointest Pharmacol Ther. Aug 6, 2014; 5(3): 183-190
Published online Aug 6, 2014. doi: 10.4292/wjgpt.v5.i3.183
Table 2 Comparison of the main demographic endoscopic and clinical characteristics between patients with Barrett’s esophagus and esophageal adenocarcinoma n (%)
CharacteristicsBarrett’s esophagus (n = 426)Esophageal adenocarcinoma (n = 120)P
Age [mean (SD)], yr68 (SD = 14)73 (SD = 11)0.0003
Male gender264 (61)73 (61)0.82
Smokers136 (32)44 (37)0.39
Cig. Cons. (in PY) [mean (SD)]19.8 (SD = 28.4)22.5 (SD = 30.2)0.36
Alcohol abusers108 (25)32 (27)0.86
Barrett’s length (in cm)6.6 (SD = 3.9)7.5 (SD = 4.2)0.03
Presence of hiatus hernia304 (71)173 (61)0.04
BMI ≥ 25232 (54)57 (48)0.21
Low socioeconomic status69 (16)26 (22)0.21
Dur of reflux (in Y) [mean (SD)]16.1 (SD = 9.9)28.5 (SD = 10.1)< 0.0001
Freq of reflux (d/wk) [mean (SD)]5.1 (SD = 2.3)5.4 (SD = 2.4)0.21