Table 2 Univariate analysis for overall survival
Varable | No. | 1-year | 2-year | 3-year | P value |
|---|---|---|---|---|---|
Gender | |||||
Male | 67 | 53.7 | 25.4 | 11.9 | 0.833 |
Female | 26 | 57.7 | 19.2 | 15.4 | |
Age (years) | |||||
<60 | 56 | 51.8 | 16.1 | 8.9 | 0.152 |
≥60 | 37 | 59.5 | 27.0 | 18.9 | |
KPS | |||||
≤80 | 64 | 50.0 | 17.2 | 7.8 | 0.055 |
>80 | 29 | 58.6 | 27.6 | 24.1 | |
Pathological type | |||||
Non-Squamous | 27 | 55.9 | 17.7 | 7.7 | 0.160 |
Squamous | 66 | 47.3 | 10.9 | 10.9 | |
GTV (cm3) | |||||
<170 | 45 | 66.7 | 31.1 | 20.0 | 0.020 |
≥170 | 48 | 43.8 | 10.4 | 6.2 | |
T stage | |||||
T1-2 | 32 | 59.4 | 25.0 | 18.8 | 0.339 |
T3-4 | 61 | 52.5 | 18.0 | 9.8 | |
N stage | |||||
N0-1 | 15 | 66.7 | 33.3 | 26.7 | 0.229 |
N2-3 | 78 | 52.6 | 19.2 | 10.3 | |
Metastatic status | |||||
Single site | 56 | 62.5 | 26.8 | 19.6 | 0.002 |
Multiple sites | 37 | 43.2 | 10.8 | 2.7 | |
Thoracic radiation dose | |||||
<63Gy | 29 | 31.0 | 10.3 | 3.4 | 0.001 |
≥63Gy | 64 | 65.6 | 25.0 | 17.2 | |
Response of primary tumor | |||||
CR | 5 | 80.0 | 40.0 | 20.0 | 0.000 |
PR | 66 | 59.1 | 21.2 | 12.1 | |
NC | 18 | 44.4 | 16.7 | 16.7 | |
PD | 4 | 0 | 0 | 0 | |
Radiation to metastases | |||||
Yes | 50 | 58.9 | 22.0 | 14.0 | 0.759 |
No | 43 | 51.2 | 18.6 | 11.6 |