Descriptive statistics for centres
| N | Mean | SD | Range across centres | |
| Mean age* (years) | 69 | 65.4 | 2.5 | 60.0–72.8 |
| Percentage male* | 69 | 62.0 | 4.1 | 47.1–70.3 |
| Mean Index of Multiple Deprivation Decile* | 69 | 4.7 | 1.1 | 1–7 |
| Transplanting centre* | ||||
| Yes | 22 (31.9%) | |||
| No | 47 (68.1%) | |||
| Size of centre* | 69 | 891 | 685 | 124–3417 |
| Mean haemoglobin level (g/L)* | 69 | 109.2 | 2.6 | 103.4–116.0 |
| Mean phosphate level (mmol/L) | 69 | 1.54 | 0.13 | 0.79–1.74 |
| Mean ferritin (ng/mL) | 66 | 492 | 116 | 297–889 |
| Wait listed within 2 years starting RRT (%) | 69 | 40.9 | 11.6 | 14.3–65.4 |
| Transplant within 2 years of waiting list (%) | 69 | 53.4 | 15.3 | 25–100 |
| Prevalent 1-year mortality unadjusted (%) | 69 | 16.6 | 3.3 | 10.2–25.7 |
| Prevalent 1-year mortality adjusted to age 60 (%) | 69 | 12.0 | 2.3 | 6.4–17.3 |
* Selected for multilevel modelling
RRT, renal replacement therapy.