Table 4 Univariate Analysis of Variables Correlated with Various Clinical Endpoints
Characteristic | 5y-LFFS | P | 5y-DMFS | P | 5y-PFS | P | 5y-OS | P |
|---|---|---|---|---|---|---|---|---|
Sex | ||||||||
Male | 89.7 | 0.052 | 84.9 | 0.359 | 73.7 | 0.017 | 86.2 | 0.301 |
Female | 95.2 | 88.6 | 82.7 | 90.1 | ||||
Age (y) | ||||||||
≥ 48 | 89.6 | 0.245 | 85.9 | 0.866 | 75.0 | 0.646 | 83.3 | 0.037 |
<48 | 93.2 | 86.3 | 78.0 | 91.5 | ||||
Skull-base invasion | ||||||||
LSBI | 92.6 | 0.296 | 90.0 | 0.116 | 81.3 | 0.032 | 93.1 | 0.024 |
ESBI | 90.8 | 84.2 | 73.6 | 84.0 | ||||
T classification | ||||||||
T3 | 93.1 | 0.093 | 88.5 | 0.036 | 79.9 | 0.042 | 90.9 | 0.014 |
T4 | 89.5 | 83.2 | 72.6 | 83.2 | ||||
N classification | ||||||||
N0 | 92.2 | 0.909 | 94.1 | < 0.001 | 84.7 | 0.066 | 87.7 | 0.879 |
N1 | 90.7 | 89.3 | 79.2 | 89.9 | ||||
N2 | 91.5 | 84.3 | 73.6 | 86.3 | ||||
N3 | 93.7 | 69.9 | 66.4 | 80.8 | ||||
Overall Stage (the 8th AJCC) | ||||||||
III | 92.7 | 0.220 | 91.1 | 0.001 | 81.8 | 0.008 | 92.4 | 0.003 |
IVa | 90.4 | 81.5 | 71.9 | 82.7 | ||||
Concurrent chemotherapy | ||||||||
Yes | 91.3 | 0.585 | 86.4 | 0.471 | 75.8 | 0.924 | 87.7 | 0.706 |
No | 94.1 | 80.9 | 76.7 | 84.7 | ||||