Table 5.
Patients’ characteristics according to radiation modality
| Variable | 3D-CRT (n = 13) | IMRT (n = 28) | p-value |
|---|---|---|---|
| Age (yr) | |||
| <65 | 3 (23.1) | 10 (35.7) | 0.418 |
| ≥65 | 10 (76.9) | 18 (64.3) | |
| Sex | |||
| Male | 6 (46.2) | 11 (39.3) | 0.678 |
| Female | 7 (53.8) | 17 (60.7) | |
| ECOG PS | |||
| 0–1 | 8 (61.5) | 20 (71.4) | 0.527 |
| 2–4 | 5 (38.5) | 8 (28.6) | |
| Stage | |||
| IVA | 2 (15.4) | 3 (10.7) | 0.663 |
| IVB | 5 (38.5) | 15 (53.6) | |
| IVC | 6 (46.1) | 10 (35.7) | |
| Chemotherapy | |||
| Yes | 8 (61.5) | 23 (82.1) | 0.153 |
| No | 5 (38.5) | 5 (17.9) | |
| RT aim | |||
| Primary RT | 9 (69.2) | 11 (39.3) | 0.074 |
| Adjuvant RT | 4 (30.8) | 17 (60.7) | |
| EQD210 dose (Gy) | |||
| <62.0 | 8 (61.5) | 5 (17.9) | 0.005 |
| ≥62.0 | 5 (38.5) | 23 (82.1) |
Values are presented as number (%).
3D-CRT, three-dimensional conformal radiotherapy; IMRT, intensity-modulated radiotherapy; ECOG PS, Eastern Cooperative Oncology Group performance score; RT, radiation therapy.