Unadjusted mortality rate for each deprivation category per person years of follow up
| Carstairs | 1 and 2 | 3–5 | 6 and 7 |
|---|---|---|---|
| Patients (n) | 22 | 117 | 49 |
| Number of person years of follow up | 222 | 1105 | 446 |
| Deaths (n) | 8 | 57 | 30 |
| Mortality rate per 1000 person years of follow up | 36.0 | 51.6 | 67.2 |