Variable | Linked dataset N = 5506 | Non-linked dataset N = 148 | P | Standard diff. |
---|---|---|---|---|
Age (n = 5654) | 53 [43–63] | 51 [41–61] | 0.09 | 0.15 |
Sex (n = 5654) | ||||
 Male | 3422 (62) | 84 (57) | 0.18 | 0.11 |
Ethnicity (n = 5632) | ||||
 White | 4192 (76) | 100 (69) | < 0.001 | 0.47 |
 Black | 497 (9) | 35 (24) | ||
 Asian | 750 (14) | 10 (7) | ||
 Mixed | 48 (1) | 0 (0) | ||
Index of Multiple Deprivation (n = 5654) | ||||
 1 – Most deprived | 1420 (26) | 31 (21) | 0.51 | 0.11 |
 2 | 1169 (21) | 29 (20) | ||
 3 | 1052 (19) | 35 (24) | ||
 4 | 983 (18) | 27 (18) | ||
 5 – Least deprived | 882 (16) | 26 (17) | ||
ATTOM cohort (n = 5654) | ||||
 Dialysis | 2150 (39) | 49 (33) | 0.14 | 0.16 |
 Transplant | 1780 (32) | 59 (40) | ||
 Wait listed | 1576 (28) | 40 (27) | ||
PRD (n = 5590) | ||||
 Polycystic kidney disease | 676 (13) | 22 (15) | 0.005 | 0.38 |
 Diabetes | 1026 (19) | 14 (10) | ||
 Glomerulonephritis | 1057 (19) | 36 (24) | ||
 Pyelonephritis | 460 (8) | 15 (10) | ||
 Hypertension | 340 (6) | 9 (6) | ||
 Renovascular disease | 97 (2) | 7 (5) | ||
 Other | 1090 (20) | 33 (22) | ||
 Uncertain | 697 (13) | 11 (8) | ||
Charlson comorbidity index (n = 5571) | ||||
 0 | 3031 (56) | 100 (68) | 0.007 | 0.33 |
 1–2 | 1518 (28) | 37 (25) | ||
 3–4 | 583 (11) | 7 (5) | ||
 5+ | 292 (5) | 3 (2) |