Cox proportional hazards model fitted to estimate the RR of death for males versus females and adjusted for the covariates histology, stage, age and diagnostic period
| HR (95% CI) | p Value | |
| Sex | ||
| (adjusted for histology, stage, age and diagnostic period) | ||
| Female* | ||
| Male | 1.137 (1.109 to 1.166) | <0.001 |
| Histology | ||
| (adjusted for stage, age and diagnostic period) | ||
| Adenocarcinoma* | ||
| NOS | 1.198 (1.156 to 1.241) | <0.001 |
| Squamous cell carcinoma | 0.976 (945 to 1.009) | 0.150 |
| Small cell carcinoma | 1.170 (1.132 to 1.210) | <0.001 |
| Large cell carcinoma | 1.122 (1.062 to 1.185) | <0.001 |
| Stage | ||
| (adjusted for histology, age and diagnostic period) | ||
| Localised disease* | ||
| Regional disease | 1.539 (1.486 to 1.594) | <0.001 |
| Metastatic disease | 3.367 (3.257 to 3.481) | <0.001 |
| Age (years) | ||
| (adjusted for histology, stage and diagnostic period) | ||
| 0–49* | ||
| 50–59 | 1.103 (1.039 to 1.171) | 0.001 |
| 60–69 | 1.274 (1.204 to 1.347) | <0.001 |
| 70–79 | 1.661 (1.570 to 1.756) | <0.001 |
| 80 and over | 2.508 (2.354 to 2.673) | <0.001 |
| Diagnostic period | ||
| (adjusted for histology, stage and age) | ||
| 1988–1992* | ||
| 1993–1997 | 0.954 (0.922 to 0.987) | 0.007 |
| 1998–2002 | 0.831 (0.804 to 0.860) | <0.001 |
| 2003–2007 | 0.714 (0.690 to 0.738) | <0.001 |
↵* Reference group.
NOS, not otherwise specifed.