Table 1 Patient and tumor characteristics in all patients
Characteristic | Number | Percent |
|---|---|---|
Median age (years) | 69 | (Range 47–81) |
Gender | ||
Male | 77 | 84.6 |
Female | 14 | 15.4 |
Performance status | ||
0 | 86 | 94.5 |
≥ 1 | 5 | 5.5 |
Observation period (month) | ||
Median | 59.8 | (Range 0.7–190.7) |
Main tumor location | ||
Upper thoracic | 10 | 11.0 |
Middle thoracic | 54 | 59.3 |
Lower thoracic | 27 | 29.7 |
Tumor length (cm) | ||
Median | 2 | (Range 1–9) |
Circumference of tumor | ||
< 3/4 | 73 | 80.2 |
≥ 3/4 | 18 | 19.8 |
Multiple lesion | ||
No | 77 | 84.6 |
Yes | 14 | 15.4 |
Endoscopic resection | ||
No | 28 | 30.8 |
Yes | 63 | 69.2 |
RT field | ||
IFI | 13 | 14.3 |
ENI | 78 | 85.7 |
Radiation dose (Gy) | ||
< 50 Gy | 23 | 25.6 |
≥ 50 Gy | 68 | 74.4 |