Number of comorbidities by CKD status, N = 1 274 374
| Characteristic | CKD (N= 33 567) | Without CKD (N= 1 240 807) | Unadjusted OR (95% CI) | aOR (95% CI)a |
|---|---|---|---|---|
| Mean comorbidities, n (SD) | 3.8 (2.2) | 1.2 (1.6) | – | – |
| Total comorbidities, n (%) | ||||
| 0 | 614 (1.8) | 598 194 (48.2) | 1.00 | 1.00 |
| 1 | 3553 (10.6) | 278 807 (22.5) | 12.4 (11.4 to 13.5) | 6.5 (6.0 to 7.1) |
| 2–3 | 12 472 (37.2) | 248 971 (20.1) | 48.8 (45.0 to 53.0) | 15.2 (14.0 to 16.5) |
| 4–6 | 13 000 (38.7) | 99 779 (8.0) | 126.9 (117.0 to 137.7) | 26.6 (24.4 to 28.9) |
| ≥7 | 3928 (11.7) | 15 056 (1.2) | 254.2 (233.1 to 277.2) | 41.9 (38.3 to 45.8) |
| Mean physical health comorbidities, n (SD) | 3.4 (1.9) | 0.9 (1.4) | – | – |
| Physical comorbidities, n (%) | ||||
| 0 | 801 (2.4) | 669 088 (53.9) | 1.00 | 1.00 |
| 1 | 4356 (13.0) | 275 611 (22.2) | 13.2 (12.2 to 14.2) | 6.5 (6.0 to 7.0) |
| 2–3 | 14 130 (42.1) | 220 654 (17.8) | 53.5 (49.9 to 15.2) | 15.2 (14.1 to 16.4) |
| 4–6 | 12 070 (36.0) | 69 280 (5.6) | 145.5 (135.4 to 156.4) | 28.4 (26.3 to 30.6) |
| ≥7 | 2210 (6.6) | 6174 (0.5) | 299.0 (274.7 to 325.4) | 49.0 (44.8 to 53.5) |
| Mean mental health comorbidities, n (SD) | 0.4 (0.8) | 0.2 (0.6) | ||
| Mental comorbidities, n (%) | ||||
| 0 | 22 980 (68.5) | 1 022 283 (82.4) | 1.00 | 1.00 |
| 1 | 7016 (20.9) | 159 527 (12.9) | 2.0 (1.9 to 2.0) | 1.3 (1.2 to 1.3) |
| 2–3 | 3464 (10.3) | 57 091 (4.6) | 2.7 (2.6 to 2.8) | 1.4 (1.3 to 1.4) |
| ≥4 | 107 (0.3) | 1906 (0.2) | 2.5 (2.05 to 3.04) | 1.37 (1.11 to 1.69) |
↵a Adjusted for age, sex, and deprivation. aOR = adjusted odds ratio. CKD = chronic kidney disease. OR = odds ratio.