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©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
Published online Dec 7, 2007. doi: 10.3748/wjg.v13.i45.6009
RDQ | Endoscopy | Total | U value | P value | ||||
Negative | A | B | C | D | ||||
Negative | 1530 | 131 | 34 | 5 | 3 | 1703 | ||
Positive | 237 | 202 | 68 | 15 | 6 | 528 | 3.60 | 0.000 |
Total | 1767 | 333 | 102 | 20 | 9 | 2231 |
- Citation: Du J, Liu J, Zhang H, Yu CH, Li YM. Risk factors for gastroesophageal reflux disease, reflux esophagitis and non-erosive reflux disease among Chinese patients undergoing upper gastrointestinal endoscopic examination. World J Gastroenterol 2007; 13(45): 6009-6015
- URL: https://www.wjgnet.com/1007-9327/full/v13/i45/6009.htm
- DOI: https://dx.doi.org/10.3748/wjg.v13.i45.6009