Patient cohort demographic characteristics
| Characteristics | Number of patients (n) | % of patients |
| Sex (male/female) | 117 (29/88) | 25/75 |
| Age (years) mean (±SD) | 58 (±9) | |
| 30–39 | 3 | 3 |
| 40–49 | 18 | 15 |
| 50–59 | 46 | 39 |
| 60–69 | 37 | 32 |
| 70+ | 13 | 11 |
| Ethnicity | 114* | 98 |
| British† | 106 | 91 |
| Black or minority ethnic group | 8 | 7 |
| Quintile of deprivation‡ | 117 | 100 |
| 1 (most affluent) | 49 | 42 |
| 2 | 31 | 26 |
| 3 | 10 | 9 |
| 4 | 21 | 18 |
| 5 (most deprived) | 6 | 5 |
*Three patients with unrecorded ethnicity.
†British, White British or mixed British.
‡Quintile of deprivation (Index of Multiple Deprivation).