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 3 Comparison between upper gastrointestinal endoscopy and RDQ (χ2 test)
RDQEndoscopy
P value
NegativePositive
Negative15301730.002
Positive237291