Table 3. Results of multivariable logistic regression model for breast cancer showing characteristics predictive of death within 30 days of diagnosis.
| Characteristic | Odds ratio | 95% Confidence interval | P-value | |
|---|---|---|---|---|
| Age group | ||||
| <65 | 1.00 | |||
| 65–74 | 2.72 | 1.06 | 6.96 | 0.037 |
| 75–79 | 6.93 | 2.87 | 16.76 | <0.001 |
| 80–84 | 6.34 | 2.52 | 15.98 | <0.001 |
| 85+ | 8.70 | 3.80 | 19.88 | <0.001 |
| SIMD fifth | ||||
| 1-Least deprived | 1.00 | |||
| 2 | 1.47 | 0.86 | 2.51 | 0.154 |
| 3 | 1.96 | 1.15 | 3.31 | 0.013 |
| 4 | 1.17 | 0.69 | 1.99 | 0.563 |
| 5-Most deprived | 1.05 | 0.61 | 1.80 | 0.861 |
| Emergency admissions within 30 days of diagnosis date | ||||
| 0 | 1.00 | |||
| ⩾1 | 26.93 | 11.45 | 63.33 | <0.001 |
| Microscopically verified | ||||
| Yes | 1.00 | |||
| No | 6.76 | 4.64 | 9.83 | <0.001 |
| Not known | 5.21 | 2.22 | 12.20 | <0.001 |
| Tumour stage | ||||
| I | 1.00 | |||
| II | 0.62 | 0.27 | 1.42 | 0.254 |
| III | 1.08 | 0.44 | 2.66 | 0.868 |
| IV | 5.28 | 2.74 | 10.17 | <0.001 |
| Not known | 3.55 | 1.95 | 6.48 | <0.001 |
| Tumour grade | ||||
| I–II | 1.00 | |||
| III | 3.20 | 1.99 | 5.13 | <0.001 |
| Not known | 3.20 | 1.99 | 5.13 | <0.001 |
| Any treatment within 30 days of diagnosis | ||||
| Yes | 1.00 | |||
| No | 4.20 | 3.01 | 5.86 | <0.001 |
Abbreviation: SIMD=Scottish index of multiple deprivation.
The interaction term age × emergency admissions was included in the model.