Gastroenterology Research and Practice / 2012 / Article / Tab 2

Clinical Study

Analysis of Delayed Bleeding after Endoscopic Submucosal Dissection for Gastric Epithelial Neoplasms

Table 2

Univariate analysis of delayed bleeding.

Factor Present Absent value

Age (yr, mean ± SD) 0.432
Sex (male/female)15/6101/390.847
Morphology (I/IIa/IIc, IIa + IIc, III)1/8/125/89/460.081
Histological type (intestinal/diffuse/adenoma)18/1/2103/3/340.267
Depth (M/SM,MP)21/0124/160.095
Ulcer findings (presence/absence)9/1212/128<0.001*
Location (U/M/L)0/10/1122/64/540.124
Location (U/ML)0/2122/1180.036*
Circumference (AW/GC/LC/PW)6/1/11/314/44/56/260.014*
Size of resected lesion (mm, mean ± SD) 0.17
Procedure duration (min, mean ± SD) 0.164
Number of times hemostatic forceps used (mean ± SD) 0.162
Anticoagulants/platelets (used/not used)4/1729/1110.562
Post-ESD ulcer (extended LC/not extended LC)17/472/680.009*

SD: standard deviation; M: mucosa; SM: submucosa; U: upper third; M: middle third; L: lower third; AW: anterior wall; GC: greater curve; LC: lesser curve; PW: posterior wall; ESD: endoscopic submucosal dissection.
*Significantly different.

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