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Patient characteristics
| Characteristics | Definition | n (%) |
|---|---|---|
| Stage | Stage 1 | 51 (13.0) |
| Stage 2 | 211 (55.0) | |
| Stage 3 | 95 (25.0) | |
| Stage 4 | 27 (7.0) | |
| Treatment | Surgery | 326 (85.0) |
| Chemotherapy | 326 (85.0) | |
| Radiotherapy | 125 (32.5) | |
| Co-morbid medical conditions of patients | Atherosclerotic illness | 77 (20.0) |
| Other chronic illness | 30 (8.0) | |
| None | 278 (72.5) |
