Retrospective Cohort Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. Jan 28, 2015; 21(4): 1167-1172
Published online Jan 28, 2015. doi: 10.3748/wjg.v21.i4.1167
Table 1 Comparison of rate of patients with preoperative and postoperative grade 3-4 symptoms
SymptomsPrePostP
Dysphagia75.6%8.3%0.001
Regurgitation59.1%7.5%0.001
Respiratory symptoms38.1%7.8%0.001