Table 1. Characteristics of the Overall Cohort at Time of Dialysis Initiation.
| Characteristic | Patients, No. (%) | |||||
|---|---|---|---|---|---|---|
| Overall (N = 80 189) | Children (n = 15 398) | Young adult (n = 64 791) | Died (n = 16 179) | Died of CV cause (n = 6505) | Died of infectious cause (n = 2332) | |
| Age at dialysis initiation, y | ||||||
| Mean (SD) | 22.5 (7.2) | 10.3 (5.8) | 25.3 (3.5) | 24.3 (6.4) | 24.7 (5.8) | 24.2 (6.8) |
| Median (IQR) | 24 (19-28) | 12 (5-15) | 26 (23-28) | 26 (22-29) | 26 (23-29) | 26 (23-29) |
| Girls and young women | 36 259 (45.2) | 6942 (45.1) | 29 317 (45.2) | 8328 (51.5) | 3354 (51.6) | 1217 (52.2) |
| Race/ethnicity | ||||||
| Non-Hispanic White | 29 533 (36.8) | 6600 (42.9) | 22 933 (35.4) | 5034 (31.1) | 2016 (31.0) | 577 (24.7) |
| Black | 29 508 (36.8) | 3994 (25.9) | 25 514 (39.4) | 8458 (52.3) | 3391 (52.1) | 1369 (58.7) |
| Asian | 3833 (4.8) | 605 (3.9) | 3228 (5.0) | 407 (2.5) | 178 (2.7) | 65 (2.8) |
| Hispanic White | 15 516 (19.3) | 3727 (24.2) | 11 789 (18.2) | 1841 (11.4) | 750 (11.5) | 256 (11.0) |
| Other | 1799 (2.2) | 472 (3.1) | 1327 (2.0) | 439 (2.7) | 170 (2.6) | 65 (2.8) |
| Income, median (IQR), $ | 45 346 (35 966-58 304) | 47 228 (37 411-61 861) | 44 827 (35 714-57 620) | 41 144 (32 958-52 402) | 41 194 (32 960-52 219) | 40 726 (32 744-52 945) |
| Attributed cause of ESKD | ||||||
| GN | 30 003 (37.4) | 5646 (36.7) | 24 357 (37.6) | 4493 (27.8) | 1830 (28.1) | 621 (26.6) |
| Cystic or urologic | 3710 (4.6) | 1364 (8.9) | 2346 (3.6) | 537 (3.3) | 176 (2.7) | 108 (4.6) |
| Hypertension | 13 092 (16.3) | 498 (3.2) | 12 594 (19.4) | 2445 (15.1) | 1086 (16.7) | 263 (11.3) |
| Diabetes | 11 940 (14.9) | 101 (0.7) | 11 839 (18.3) | 4562 (28.2) | 2167 (33.3) | 486 (20.8) |
| Other | 21 444 (26.7) | 7789 (50.5) | 13 655 (21.1) | 4142 (25.6) | 1246 (19.2) | 854 (36.6) |
| Comorbidities at ESKD onset | ||||||
| CAD | 881 (1.1) | 51 (0.3) | 830 (1.3) | 420 (2.6) | 224 (3.4) | 43 (1.8) |
| CHF | 5331 (6.6) | 318 (2.1) | 5013 (7.7) | 2055 (12.7) | 944 (14.5) | 261 (11.2) |
| Stroke | 1053 (1.3) | 131 (0.9) | 922 (1.4) | 423 (2.6) | 181 (2.8) | 62 (2.7) |
| Hypertension | 53 811 (67.1) | 6149 (39.9) | 47 662 (73.6) | 10 975 (67.8) | 4728 (72.7) | 1370 (58.7) |
| Diabetes | 14 310 (17.8) | 268 (1.7) | 14 042 (21.7) | 5313 (32.8) | 2475 (38.0) | 588 (25.2) |
Abbreviations: CAD, coronary artery disease; CHF, congestive heart failure; CV, cardiovascular; ESKD, end-stage kidney disease; GN, glomerulonephritis; IQR, interquartile range.