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| Characteristics | |
|---|---|
| Mean age±s.d. (years) | 62.7±10.1 |
| Gender (%) | |
| Male | 678 (76) |
| Female | 210 (24) |
| Histology of tumour (%) | |
| Squamous cell carcinoma | 388 (44) |
| Adenocarcinoma | 500 (56) |
| Location of tumour (%) | |
| Cervical | 10 (1) |
| Upper 1/3 thoracic | 43 (5) |
| Middle 1/3 thoracic | 158 (18) |
| Lower 1/3 thoracic | 406 (46) |
| Gastrooesophageal junction | 271 (30) |
