Table 1.
Clinical characteristics of the patients.
| Characteristics | No. of patients (%) |
|---|---|
| Sex | |
| Male | 107 (87.7%) |
| Female | 15 (12.3%) |
| Age | |
| <65 | 73 (59.8%) |
| ≥65 | 49 (40.2%) |
| Median age (range) | 62 (33–84) |
| Histological subtypes | |
| Adenocarcinoma | 38 (31.1%) |
| Squamous cell carcinoma | 84 (68.9%) |
| Smoking history | |
| Former smokers | 91 (74.6%) |
| Never smokers | 31 (25.4%) |
| Treatment regimen | |
| SCRT | 59 (48.4%) |
| CCRT | 63 (51.6%) |
| Radiation type | |
| 3DCRT | 30 (24.6%) |
| IMRT | 92 (75.4%) |
| Radiation dose | |
| <60 Gy | 28 (23.0%) |
| =60 Gy | 66 (54.0%) |
| >60 Gy | 28 (23.0%) |
| RT-related pneumonitis | |
| Grade 0-1 | 83 (68.0%) |
| Grade 2 | 18 (14.8%) |
| Grade 3 | 19 (15.6%) |
| Grade 4 | 2 (1.6%) |
| RT-related esophagitis | |
| Grade 0-1 | 106 (86.9%) |
| Grade 2 | 8 (6.55%) |
| Grade 3 | 8 (6.55%) |
| Grade 4 | 0 (0%) |
SCRT, sequential chemoradiotherapy; CCRT, concurrent chemoradiotherapy