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        ©2011 Baishideng Publishing Group Co.
    
    
        World J Gastroenterol. Oct 28, 2011; 17(40): 4496-4502
Published online Oct 28, 2011. doi: 10.3748/wjg.v17.i40.4496
Published online Oct 28, 2011. doi: 10.3748/wjg.v17.i40.4496
            Table 1 Demographic, endoscopic, histological and 24-h esophageal pH monitoring data of the studied population
        
    | NERD | ERD | |
| No. of subjects | 21 | 13 | 
| Sex (M/F) | 9/12 | 7/6 | 
| Mean age ± SD (yr) (range) | 44.2 ± 14.9 (22-73) | 54.4 ± 15.7 (29-78) | 
| Endoscopy | ||
| Normal | 21 | 0 | 
| A | 0 | 0 | 
| B | 0 | 7 | 
| C | 0 | 6 | 
| D | 0 | 0 | 
| Histology | ||
| Normal | 21 | 12 | 
| Mild | 0 | 1 | 
| Moderate | 0 | 0 | 
| Severe | 0 | 0 | 
| 24-h pH monitoring | ||
| Mean % of acid exposure time ± SD | 10.4 ± 1.3 | 10.7 ± 1.4 | 
| Mean number of acid reflux events ± SD | 126 ± 20 | 128 ± 22 | 
- Citation: Calabrese C, Montanaro L, Liguori G, Brighenti E, Vici M, Gionchetti P, Rizzello F, Campieri M, Derenzini M, Trerè D. Cell proliferation of esophageal squamous epithelium in erosive and non-erosive reflux disease. World J Gastroenterol 2011; 17(40): 4496-4502
 - URL: https://www.wjgnet.com/1007-9327/full/v17/i40/4496.htm
 - DOI: https://dx.doi.org/10.3748/wjg.v17.i40.4496
 
