Table 1.
Patient characteristics
| Characters | Arm A (RT) | Arm B (CCRT) | Total | p | |||
|---|---|---|---|---|---|---|---|
|
|
|
|
|||||
| n (30) | % | n (32) | % | n | % | ||
| Age | 0.450 | ||||||
| >61 | 14 | 46.7 | 18 | 56.3 | 32 | 51.6 | |
| <61 | 16 | 53.3 | 14 | 43.8 | 30 | 48.4 | |
| Gender | 0.562 | ||||||
| Male | 26 | 86.7 | 26 | 81.2 | 52 | 83.9 | |
| Female | 4 | 13.3 | 6 | 18.8 | 10 | 16.1 | |
| Smoking status | 0.311 | ||||||
| Yes | 18 | 60 | 22 | 68.8 | 40 | 64.5 | |
| No | 10 | 33.3 | 10 | 31.2 | 20 | 32.3 | |
| Ex | 2 | 6.7 | 0 | 0 | 2 | 3.2 | |
| Differentiation | 0.924 | ||||||
| Well | 4 | 13.3 | 4 | 12.5 | 8 | 12.9 | |
| Moderate | 18 | 60 | 18 | 55.3 | 36 | 58.1 | |
| Poor | 8 | 26.7 | 10 | 31.2 | 18 | 29 | |
| VC impairment | 0.056 | ||||||
| Yes | 23 | 76.7 | 30 | 93.8 | 53 | 85.5 | |
| No | 7 | 23.3 | 2 | 6.3 | 9 | 14.5 | |
| AC involvement | 0.469 | ||||||
| Yes | 17 | 56.7 | 21 | 65.6 | 38 | 61.3 | |
| No | 13 | 43.3 | 11 | 34.3 | 24 | 38.7 | |
| Extensive/bulky disease | 0.158 | ||||||
| Yes | 22 | 73.3 | 28 | 87.5 | 50 | 80.6 | |
| No | 8 | 26.7 | 4 | 12.5 | 12 | 19.4 | |
| RT technique | 0.097 | ||||||
| 3DCRT | 19 | 63.4 | 13 | 40.7 | 32 | 51.6 | |
| IMRT | 11 | 36.6 | 19 | 59.3 | 30 | 48.4 | |
Abbreviations: RT, radiotherapy; CCRT, concurrent chemoradiation; VC, vocal cord; AC, anterior commissure; 3DCRT, 3Dimentional conformal radiotherapy; IMRT, intensity modulated radiotherapy.