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Table 1 Characteristics of non-antithrombotic and antithrombotic groups

From: The postoperative bleeding rate and its risk factors in patients on antithrombotic therapy who undergo gastric endoscopic submucosal dissection

  Non-antithrombotic (n = 743) Antithrombotic (n = 90) p value
Age(yr) 65.3 ± 12.3 64.8 ± 13.7 0.719
Gender(M?F)(%M) 423/320(56.9) 54/36(60.0) 0.578
H. pylori infection (+/−)(%positive) 587/156(79.0) 73/17(81.1) 0.642
Tumor sixe(mm) 15.5 ± 5.2 15.7 ± 5.5 0.731
Tumor type IIa 430 51 0.976
IIa + IIc 112 14
IIc 201 25
Duration of ESD(min) 46.6 ± 17.6 44.0 ± 16.1 0.182
Location of tumor Antrum 325 41 0.944
Angulus 185 22
Corpus 233 27
Concrurrent disease(diabetes, renal failure, cirrhosis)(+/−)(%positive) 240/503(32.3) 28/62(31.1) 0.819
Gastroprotective agent(+/−)(%positive) 315/428(42.4) 39/51(43.3) 0.865
post-ESD bleeding(+/−)(%positive) 15/728(2.0) 21/69(23.3) <0.001
  1. ESD endoscopic submucosal dissection.
  2. p < 0.05 vs non-bleeding. Ratios were analysed using the χ2 test.