Rapid Communication
Copyright ©2008 The WJG Press and Baishideng.
World J Gastroenterol. Sep 28, 2008; 14(36): 5601-5605
Published online Sep 28, 2008. doi: 10.3748/wjg.14.5601
Table 1 Clinical characteristics and reflux parameters of patients in the PGS and the erosive esophagitis (EE) groups
PGS group (n = 26)EE group (n = 21)P value
Age (yr)41.5 ± 6.746.9 ± 11.70.08
Gender (male/female)15/1115/60.33
Mean recording time (h)41.9 ± 5.940.9 ± 6.10.57
Number of reflux episodes77.3 ± 46.498.2 ± 56.50.17
Number of long reflux episodes (> 5 min)5.6 ± 4.08.5 ± 6.80.1
Duration of longest reflux episode (min)19.6 ± 13.624.3 ± 15.70.28
Time at pH < 4 (min)123.2 ± 93.6173.7 ± 105.40.09
Total time of pH < 4 (%)5.1 ± 4.56.9 ± 3.90.16
Erect time of pH < 4 (%)5.6 ± 4.87.1 ± 4.20.08
Supine time of pH < 4 (%)4.3 ± 3.25.0 ± 4.10.09
DeMeester score15.9 ± 12.520.7 ± 10.80.17
Early detachment of Bravo wireless capsule2 (7.7%)0 (0%)0.49