Rapid Communication
Copyright ©2008 The WJG Press and Baishideng.
World J Gastroenterol. Apr 28, 2008; 14(16): 2550-2555
Published online Apr 28, 2008. doi: 10.3748/wjg.14.2550
Table 2 Characteristics and results of clinical data of patients in the ESD and EMR groups
ESD group (tumor size: 10-26 mm)EMR group (tumor size: 10-18 mm)P
n1715
Mean age (yr)73.1 ± 5.468.3 ± 9.2NS
Mean size of the lesion (mm)15.5 ± 5.612.7 ± 2.9NS
Frequency of the cardiopulmonary underlying disease (%)1213NS
Frequency of the anticoagulant therapy (%)5.96.7NS
One piece resection rate (%)10073NS
Complete resection rate (%)8240< 0.05
Operation time (min)57.6 ± 31.921.1 ± 12.2< 0.001
Complications
Rate of bleeding (%)186.7NS
Rate of perforation (%)00NS
Depth of invasion (mucosa:submucosa)15:214:1