Table 1 Baseline characteristics of the study cohort.
All (n = 293) | Haemodialysis (n = 191) | Peritoneal dialysis (n = 102) | p-value (haemodialysis vs. peritoneal dialysis) | |
|---|---|---|---|---|
Age at dialysis start (years); median (IQR) | 68 (56–76) | 68 (57–75) | 67 (55–77) | p = 0.841 |
Male sex; n (%) | 190 (64.9) | 128 (67.0) | 62 (60.8) | p = 0.2872 |
eGFR at dialysis initiation3; median (IQR) | 6.3 (5.0–7.8) | 6.4 (4.9–7.9) | 6.0 (5.2–7.6) | p = 0.8191 |
Ethnicity ; n (%) | ||||
White | 163 (55.6) | 111 (58.1) | 53 (51) | p = 0.7882 |
Black | 44 (15) | 26 (13.6) | 18 (17.7) | |
South Asian | 30 (10.2) | 18 (9.4) | 12 (11.8) | |
Other ethnic group | 3 (1) | 2 (1.1) | 1 (0.9) | |
Unknown | 53 (18.1) | 34 (17.8) | 19 (18.6) | |
Primary renal disease; n (%) | ||||
Cystic kidney disease | 15 (5.1) | 8 (4.2) | 7 (6.9) | p = 0.2932 |
Pyelonephritis/obstruction | 17 (5.8) | 12 (6.3) | 5 (4.9) | |
Glomerulonephritis | 30 (10.2) | 16 (8.4) | 14 (13.7) | |
Renovascular disease/ hypertension | 36 (12.3) | 20 (10.5) | 16 (15.7) | |
Diabetic kidney disease | 138 (47.1) | 94 (49.2) | 44 (43.1) | |
Other causes | 57 (19.5) | 41 (21.5) | 16 (15.7) | |
Comorbidities; n (%) | ||||
Diabetes mellitus | 178 (60.8) | 124 (65) | 54 (52.9) | p = 0.0452 |
Ischaemic heart disease/ left ventricular failure | 81 (27.7) | 57 (29.8) | 24 (23.5) | p = 0.2502 |
Stroke/ TIA | 29 (9.9) | 22 (11.5) | 7 (6.9) | p = 0.2042 |
Peripheral arterial disease | 23 (7.9) | 15 (7.9) | 8 (7.8) | p = 0.9982 |
Charlson-comorbidity score; mean (SD) | 3.9 (1.5) | 4.0 (1.5) | 3.8 (1.4) | p = 0.1734 |
Age-adjusted Charlson-comorbidity score; mean (SD) | 6.1 (2.1) | 6.2 (2.2) | 5.8 (2.0) | p = 0.10954 |
Baseline frailty score; mean (SD)5 | 4.1 (1.5) | 4.2 (1.5) | 3.8 (1.5) | p = 0.10044 |
Time of baseline CFS recording (number of days prior to dialysis start); median (IQR)5 | 50 (25–112) | 53 (25–113) | 48.5 (27–84) | p = 0.5441 |
