Table 6.
All cases | Staged cases | ||||
---|---|---|---|---|---|
Odds ratio (95% CI) | P value | Odds ratio (95% CI) | P value | ||
Diagnosis period | |||||
Radiotherapy | |||||
1995-2000 | 0.91 (0.88 to 0.94) | <0.001 | 0.88 (0.82 to 0.95) | 0.001 | |
2001-6 | 0.93 (0.90 to 0.95) | <0.001 | 0.91 (0.88 to 0.94) | <0.001 | |
Surgery | |||||
First subperiod† | 0.86 (0.80 to 0.92) | <0.001 | 0.85 (0.74 to 0.99) | 0.035 | |
2001-6 | 0.93 (0.89 to 0.98) | 0.003 | 0.93 (0.88 to 0.99) | 0.019 | |
Stage | |||||
Radiotherapy | |||||
Stages I-II | — | — | 0.92 (0.89 to 0.96) | <0.001 | |
Stages III-IV | — | — | 0.88 (0.83 to 0.93) | <0.001 | |
Surgery | |||||
Stages I-II | — | — | 0.97 (0.91 to 1.03) | 0.297 | |
Stages III-IV | — | — | 0.81 (0.72 to 0.91) | <0.001 | |
Age (years) | |||||
Radiotherapy | |||||
≤70 | 0.94 (0.91 to 0.97) | <0.001 | 0.94 (0.90 to 0.98) | 0.007 | |
>70 | 0.90 (0.87 to 0.92) | <0.001 | 0.87 (0.83 to 0.91) | <0.001 | |
Surgery | |||||
≤70 | 0.93 (0.89 to 0.97) | <0.001 | 0.93 (0.88 to 0.99) | 0.014 | |
>70 | 0.73 (0.64 to 0.83) | <0.001 | 0.86 (0.71 to 1.05) | 0.137 | |
Morphology | |||||
Radiotherapy | |||||
Adenocarcinoma | 0.92 (0.90 to 0.94) | <0.001 | 0.91 (0.88 to 0.94) | <0.001 | |
Unspecified | 0.93 (0.87 to 0.99) | 0.020 | 0.88 (0.79 to 0.98) | 0.023 | |
Surgery | |||||
Adenocarcinoma | 0.91 (0.88 to 0.95) | <0.001 | 0.93 ( 0.88 to 0.98) | 0.005 | |
Unspecified | 0.50 (0.31 to 0.80) | 0.004 | 0.15 (0.02 to 1.00) | 0.050 |
*All odds ratios relate to logistic regression models adjusted for age, diagnosis era, deprivation, morphology, and stage (when available). Values denote proportion change in odds ratio for one level ordinal increase in deprivation group (for example, from 2nd to 3rd least deprived group).
†Years 1995-2000 for “all patients” and 1998-2000 for “patients with stage information.”