Retrospective Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. Dec 28, 2015; 21(48): 13518-13523
Published online Dec 28, 2015. doi: 10.3748/wjg.v21.i48.13518
Table 1 Clinical characteristics before second look endoscopy according to the rebleeding risk after endoscopic submucosal dissection n (%)
High risk group (n = 66)Low risk group (n = 244)P value
Forrest classficationIa, Ib, IIa (21.2)IIb, IIc, III (78.8)
Ia (n = 0)IIb (n = 55)
Ib (n = 48)IIc (n = 14)
IIa (n = 18)III (n = 175)
Age, mean (mean ± SD, yr)65.2 ± 8.664.7 ± 9.40.70
Sex, male/female43/23150/940.58
Comorbidities (Charlson scale)0.96
049 (74.2)178 (73.0)
113 (19.7)52 (21.3)
23 (4.5)9 (3.7)
31 (1.5)3 (1.2)
40 (0)2 (0.8)
Use of antiplatelet or anticoagulant agents or steroid or nonsteroidal anti-inflammatory drugs0.03
Yes10 (15.2)17 (7.0)
None or unknown56 (84.8)227 (93.0)