At 1 year (%) | At 3 years (%) | P | |
---|---|---|---|
Radiochemotherapy regimen | |||
Cisplatin weekly (N = 75) | 89 | 68 | |
Cisplatin 100 mg/m2 (N = 58) | 83 | 76 | 0.66 |
Age | |||
≤56 years (N = 67) | 85 | 71 | |
≥57 years (N = 66) | 88 | 72 | 0.30 |
Gender | |||
Female (N = 29) | 79 | 69 | |
Male (N = 104) | 89 | 72 | 0.59 |
ECOG Performance score | |||
0–1 (N = 115) | 92 | 79 | |
2 (N = 18) | 52 | 25 | <0.001 |
Primary tumor site | |||
Oropharynx (N = 69) | 89 | 78 | |
Hypopharynx (N = 19) | 71 | 61 | |
Larynx (N = 30) | 100 | 77 | |
Oral cavity/Floor of mouth (N = 15) | 62 | 44 | 0.002 |
T-category | |||
T1–2 (N = 16) | 93 | 85 | |
T3–4 (N = 117) | 85 | 69 | 0.93 |
N-category | |||
N0-2a (N = 66) | 97 | 81 | |
N2b-3 (N = 67) | 76 | 62 | 0.001 |
Histologic grading | |||
G 1–2 (N = 85) | 95 | 76 | |
G3 (N = 48) | 72 | 63 | 0.003 |
Cumulative cisplatin dose | |||
≤200 mg/m2 (N = 85) | 87 | 71 | |
>200 mg/m2 (N = 48) | 86 | 73 | 0.69 |