Retrospective Cohort Study
Copyright ©The Author(s) 2018.
World J Gastroenterol. Oct 21, 2018; 24(39): 4472-4481
Published online Oct 21, 2018. doi: 10.3748/wjg.v24.i39.4472
Table 1 Demographic, endoscopic and histologic characteristics of the study population
Patient dataAll sample (n = 386)HGD (n = 12)Non-HGD (n = 367)
Age at study inclusion60.0 (13.1) [61.1, 18.4-89.6]66.3 (12.8) [66.6, 42.4-85.8]59.8 (13.2) [60.6, 18.4-89.6]
Gender - male268 (69.43)9 (75)253 (68.94)
Number of endoscopies per patient2.5 (2.0) [2, 1-17]6.6 (2.6) [7, 3-11]2.4 (1.7) [2, 1-10]b
Patients with multiple endoscopies245 (63.47%)12 (100)227 (61.9)a
Circumferential extent of BE (cm)3.3 (3.3) [2, 0-19]4.5 (2.92) [4.5, 1-11]3.2 (3.23) [2, 0-19]
Maximal extent of BE (cm)4.4 (3.2) [3, 0.2-20]6.0 (3.22) [6, 2-14]4.25 (3.17) [3, 0.2-20]a
Presence of endoscopic abnormalities56 (14.51)8 (66.67)44 (11.99)b
Ultra-short BE segment (BE < 1 cm)28 (7.43)0 (0)28 (7.8)
Short BE segment (1 cm ≤ BE < 3 cm)124 (32.89)2 (18.18)122 (33.98)
Long BE segment (BE ≥ 3 cm)225 (59.68)9 (81.82)209 (58.22)
Worst degree of dysplasia
Esophageal adenocarcinoma6 (1.6)
Intramucosal carcinoma1 (0.3)
High grade dysplasia12 (3.1)
Low grade dysplasia19 (4.9)