Table 1.
Baseline characteristics
| Characteristics | N = 92 (%) |
|---|---|
| Age at diagnosis | |
| Under 65 | 42 (45.7%) |
| 65 and above | 50 (54.3%) |
| Sex | |
| Male | 77 (83.7%) |
| Female | 15 (16.3%) |
| Baseline lymphocyte level | |
| Normal | 79 (85.9%) |
| Low | 13 (14.1%) |
| RT technique | |
| 3DCRT | 52 (56.5%) |
| IMRT | 40 (43.5%) |
| T-staging | |
| T1 | 0 (0%) |
| T2 | 1(1.1%) |
| T3 | 91 (98.9%) |
| T4 | 0 (0%) |
| N-staging | |
| N0 | 0 (0) |
| N1 | 46 (50%) |
| N2 | 39 (42.4%) |
| N3 | 7 (7.6%) |
| Number of chemotherapy courses | |
| 5 | 56 (60.8%) |
| 4 | 28 (30.4%) |
| 3 | 7 (12.5%) |
| 2 | 0 (0%) |
| 1 | 1 (1.1%) |
| EDIC group | |
| <2 Gy | 18 (19.6%) |
| 2 to <4 Gy | 68 (73.9%) |
| >4 Gy | 6 (6.5%) |
Abbreviations: EDIC = effective dose to the circulating immune cells; IMRT = intensity modulated radiation therapy; RT = radiation therapy; 3DCRT = 3-dimensional conformal radiation therapy.