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Patient characteristics
| Anti-reflux stent | Standard stent | |
| Patients, total (n) | 192 | 203 |
| Female (n) | 47 | 49 |
| Male (n) | 118 | 131 |
| mean age (yr) | 70 | 70.24 |
| Histology (n) | SCC = 39; Adenocarcinoma = 76; Undifferentiated = 1 | SCC = 51; Adenocarcinoma = 113; Undifferentiated = 13 |
SCC: Squamous cell carcinoma.
