Multivariate analysis
| Multivariate analysis | HR | 95% CI | p Value |
| Development of symptoms | |||
| Hypertension | 11.15 | 1.46 to 84.71 | 0.02 |
| Peripheral vascular disease | 6.91 | 2.51 to 18.99 | <0.001 |
| Cardiac hospitalisations | |||
| Peripheral vascular disease | 5.61 | 1.83-17.19 | 0.002 |