Table 3:
Baseline characteristics of the TRACK cohort by country.
| Characteristics | Overall (N = 1330) |
Germany (n = 230) |
Italy (n = 309) |
Spain (n = 259) |
UK (n =301) |
USA (n = 231) |
|---|---|---|---|---|---|---|
| Age (years), mean (SD) | 67.7 (13.6) | 72.8 (12.3) | 69.3 (13.2) | 69.2 (11.4) | 62.0 (14.5) | 66.4 (13.8) |
| Missing, n | 1 | 1 | ||||
| Female, n (%) | 416 (31) | 74 (32) | 102 (33) | 84 (32) | 90 (30) | 66 (29) |
| Body mass index (kg/m2), mean (SD) | 28.3 (6.4) | 27.9 (5.8) | 26.2 (5.2) | 28.2 (5.6) | 29.0 (7.1) | 30.6 (7.3) |
| Missing | 42 | 2 | 12 | 5 | 22 | 1 |
| History of CKD/heart failure, n (%) | ||||||
| CKD | 736 (55) | 50 (22) | 170 (55) | 137 (53) | 225 (75) | 154 (67) |
| Heart failure | 83 (6) | 23 (10) | 19 (6) | 21 (8) | 13 (4) | 7 (3) |
| CKD and heart failure | 385 (29) | 87 (38) | 94 (30) | 96 (37) | 49 (16) | 59 (26) |
| Neither CKD nor heart failure | 122 (9) | 70 (30) | 22 (7) | 5 (2) | 14 (5) | 11 (5) |
| Missing | 4 | 4 | ||||
| Patients with CKD, n (%) | 1121 | 136 | 264 | 233 | 274 | 213 |
| Stage 1 or 2 | 73 (7) | 25 (18) | 12 (5) | 19 (8) | 8 (3) | 9 (4) |
| Stage 3a | 159 (14) | 33 (24) | 26 (10) | 33 (14) | 27 (10) | 40 (19) |
| Stage 3b | 205 (18) | 35 (26) | 41 (16) | 36 (16) | 31 (11) | 62 (29) |
| Stage 4 | 296 (26) | 27 (20) | 53 (20) | 86 (37) | 83 (30) | 47 (22) |
| Stage 5, not on chronic dialysis | 105 (9) | 0 | 38 (14) | 20 (8) | 48 (18) | 2 (1) |
| Stage 5, on chronic dialysis | 282 (25) | 16 | 94 (36) | 39 (15) | 77 (28) | 53 (25) |
| Missing | 1 | 1 | ||||
| Medications, n (%) | ||||||
| ACEi/ARB/ARNI | 764 (57) | 164 (71) | 148 (48) | 183 (71) | 150 (50) | 119 (52) |
| At target ACEi/ARB/ARNI dose | 532 (70) | 129 (79) | 96 (65) | 97 (53) | 120 (81) | 90 (76) |
| Missing | 1 | 1 | ||||
| MRA | 183 (14) | 41 (18) | 42 (14) | 68 (26) | 24 (8) | 8 (4) |
| At target MRA dose | 115 (63) | 34 (83) | 22 (52) | 39 (57) | 13 (54) | 7 (88) |
| [K+] (mmol/l), n (%) | ||||||
| ≤5.0 | 5 (0.4) | 1 (0.4) | 1 (0.3) | 1 (0.4) | 0 | 2 (1) |
| >5.0–≤5.5 | 809 (62) | 158 (70) | 191 (66) | 155 (61) | 153 (52) | 152 (66) |
| >5.5–≤6.0 | 361 (27) | 48 (21) | 72 (23) | 77 (30) | 106 (36) | 58 (25) |
| >6.0–≤6.5 | 83 (6) | 7 (3) | 19 (6) | 17 (7) | 28 (9) | 12 (5) |
| >6.5 | 43 (3) | 13 (6) | 8 (3) | 6 (2) | 10 (3) | 6 (3) |
| Missing | 29 | 3 | 18 | 3 | 4 | 1 |