Table 1.
Characteristics of the patients with esophageal squamous cell carcinoma treated with definitive concurrent chemoradiotherapy (n = 252).
| Patient characteristics | No of patients(%) |
|---|---|
| Age | |
| Median | 60 |
| Range | 30-82 |
| Gender | |
| Male | 220 (87.3) |
| Female | 32 (12.7) |
| KPS | |
| ≥90 | 173 (68.7) |
| <90 | 79 (31.3) |
| Weight loss | |
| Yes | 89 (35.3) |
| No | 163 (64.7) |
| Pain of chest and back | |
| Yes | 51 (20.2) |
| No | 201 (79.8) |
| Tumor location | |
| Cervical | 22 (8.7) |
| Upper thoracic | 78 (31.0) |
| Middle thoracic | 93 (36.9) |
| Lower thoracic | 59 (23.4) |
| Clinical T stage, 8th | |
| T1 | 9 (3.6) |
| T2 | 16 (6.3) |
| T3 | 139 (55.2) |
| T4 | 88 (34.9) |
| Clinical N stage, 8th | |
| N0 | 59 (23.4) |
| N1 | 86 (34.1) |
| N2 | 77 (30.6) |
| N3 | 30 (11.9) |
| Clinical TNM stage, 8th | |
| I | 7 (2.8) |
| II | 42 (16.7) |
| III | 102 (40.5) |
| IV | 101 (40.1) |
| GTVp (cm3) | |
| Median | 38.77 |
| IQR | 24.00-58.02 |
| GTVnd (cm3) | |
| Median | 4.34 |
| IQR | 0.18-11.38 |
| GTVnd/GTVp | |
| Median | 0.11 |
| IQR | 0.01-0.30 |
| Tumor length, cm | |
| ≤6* | 126 (50.0) |
| >6 | 126 (50.0) |
| Radiation dose, Gy | |
| <54 | 75 (29.8) |
| ≥54 | 177 (70.2) |
| Consolidation chemotherapy | |
| Yes | 106 (42.1) |
| No | 146 (57.9) |
*median tumor length.