Clinical Research
Copyright ©2007 Baishideng Publishing Group Inc.
World J Gastroenterol. Dec 7, 2007; 13(45): 6009-6015
Published online Dec 7, 2007. doi: 10.3748/wjg.v13.i45.6009
Table 4 Comparison between upper gastrointestinal endoscopy and RDQ (Wilcoxon rank-sum test)
RDQEndoscopy
TotalU valueP value
NegativeABCD
Negative153013134531703
Positive237202681565283.600.000
Total17673331022092231