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Baseline demographic and clinical characteristics
| Characteristics | N (%) |
|---|---|
| Age (year) | |
| Mean (SD) | 53.5 (13.8) |
| Gender | |
| Male | 141 (40.3%) |
| Female | 209 (59.7%) |
| BMI | |
| Mean (SD) | 29.2 (4.7) |
| PPI use | 251 (89%) |
| DeMeester score | |
| Mean (SD) | 32.6 (27.5) |
| N (%) with abnormal score (≥ 14.72) | 144 (74.6%) |
| Hiatal hernia | |
| Yes | 285 (81.4%) |
| No | 65 (18.6%) |
| Size and type of hernia | |
| Small (≤ 3 cm) | 205 (71.9%) |
| Large (≥ 3 cm) | 58 (20.4%) |
| PEH | 22 (7.7%) |
