Table 2. Significant covariates in Cox Proportional Hazards Model for 5-year survival from the day of elective open suprarenal aneurysm repair.
Parameter | Hazard Ratio | 95% Confidence Limits | p-value | |
Age on admission | 1.03 | 1.01 | 1.05 | 0.0005 |
Chronic pulmonary disease | 1.42 | 1.07 | 1.88 | 0.0160 |
Liver disease | 2.46 | 1.09 | 5.59 | 0.0310 |
Renal disease | 1.80 | 1.34 | 2.41 | <0.0001 |
Metastatic solid tumour | 3.06 | 1.43 | 6.49 | 0.0038 |
Strategic Health Authority | ||||
North East vs South East | 2.274 | 1.034 | 4.999 | 0.0138 |
North East vs South Central | 2.499 | 1.239 | 5.041 | 0.0138 |
North East vs South West | 1.743 | 1.037 | 2.929 | 0.0138 |
North West vs South East | 2.346 | 1.073 | 5.129 | 0.0138 |
North West vs South Central | 2.579 | 1.280 | 5.196 | 0.0138 |
North West vs South West | 1.798 | 1.072 | 3.017 | 0.0138 |
Yorkshire and the Humber vs South East | 2.266 | 1.043 | 4.924 | 0.0138 |
Yorkshire and the Humber vs South Central | 2.491 | 1.251 | 4.959 | 0.0138 |
Yorkshire and the Humber vs South West | 1.737 | 1.056 | 2.857 | 0.0138 |
West Midlands vs South East | 2.478 | 1.130 | 5.435 | 0.0138 |
West Midlands vs South Central | 2.724 | 1.353 | 5.481 | 0.0138 |
West Midlands vs South West | 1.900 | 1.132 | 3.188 | 0.0138 |