Variable | Hazard Ratio | 95% CI | p Value |
---|---|---|---|
Age | -- | ||
≤70 | 1c | 1.039 to 1.430 | -- |
>70 | 1.219 | 0.015 | |
Sex | |||
Female | 1c | -- | -- |
Male | 1.377 | 1.041 to 1.821 | 0.025 |
Karnofsky Index | |||
<70 | 1c | -- | -- |
³70 | 0.439 | 0.361 to 0.534 | <0.001 |
Histology | |||
Squamous cell Ca | 1c | -- | -- |
Adenocarcinoma | 1.058 | 0.899 to 1.245 | 0.499 |
Large cell/Undifferentiated | 1.240 | 1.000 to 1.537 | 0.05 |
Stage | |||
Ia-IIb | 1c | -- | -- |
IIIa-IIIb | 2.550 | 2.058 to 3.158 | <0.001 |
IV | 5.283 | 4.281 to 6.520 | <0.001 |
Chemotherapy | |||
No | 1c | -- | -- |
Yes | 0.706 | 0.591 to 0,843 | <0.001 |
Period | |||
1990-97 | 1c | -- | -- |
2003-05 | 0.670 | 0.563 to 0.797 | <.001 |