Table 1. Patient characteristics in Pre-S CRT and Pre-S RT groups.
| Characteristics | Pre-S CRT (n = 104) | Pre-S RT (n = 118) | P | ||
|---|---|---|---|---|---|
| n | % | n | % | ||
| Gender Male Female |
85 19 |
81.7 18.3 |
105 13 | 82.2 17.8 |
0.13 |
| Medial age (years) | 55 | 55 | |||
| Primary site Oral cavity oropharynx Hypopharynx/ Larynx |
14 30 60 |
13.5 28.8 57.7 |
14 36 68 |
11.9 30.5 57.6 |
0.52 |
| T stage T1 T2 T3 T4a T4b |
6 18 22 51 7 |
5.8 17.3 21.2 49.0 6.7 |
6 25 43 36 8 |
5.1 21.2 36.4 30.5 6.8 |
0.05 |
| N stage N0 N1 N2 N3 |
9 20 62 13 |
8.7 19.2 59.6 12.5 |
19 22 60 17 |
16.1 18.6 50.9 14.4 |
0.36 |
| Clinical group III IVA IVB |
14 70 20 |
13.5 67.3 19.2 |
21 73 24 |
17.8 61.9 20.3 |
0.62 |
| Medial Chemotherapy cycle |
5 | none | |||
| Radiotherapy technique 3DCRT IMRT |
62 42 |
59.6 40.4 |
62 56 |
52.5 47.5 |
0.29 |
Pre-S RT: preoperative radiotherapy; Pre-S CRT: preoperative concurrent chemoradiotherapy;
3DCRT: three-dimensional conformal radiotherapy; IMRT: intensity-modulated radiotherapy.