Table 2.
Reporting of racial categories in US trials according to publication year, trial category, and enrollment site
| Category | No. trials,a (N=61), n (%) | White (n=47; 77%), n (%) | Black (n=47; 77%), n (%) | Asian (n=21; 34%), n (%) | AI/AN (n=7; 11%), n (%) | NH/PI (n=4; 7%), n (%) | Other race (n=34; 56%), n (%) |
|---|---|---|---|---|---|---|---|
| Publication category | |||||||
| 2000–2006 | 14 (23) | 12 (86) | 9 (64) | 5 (36) | 2 (14) | 0 (0) | 7 (50) |
| 2007–2011 | 8 (13) | 5 (63) | 6 (75) | 1 (13) | 0 (0) | 0 (0) | 4 (50) |
| 2012–2016 | 22 (36) | 15 (68) | 15 (68) | 6 (27) | 1 (5) | 2 (9) | 10 (45) |
| 2017–2021 | 17 (28) | 15 (88) | 17 (100) | 9 (53) | 4 (24) | 2 (12) | 13 (76) |
| Trial category | |||||||
| AKI | 9 (15) | 4 (44) | 5 (56) | 1 (11) | 0 (0) | 0 (0) | 1 (11) |
| CKD | 16 (26) | 13 (81) | 14 (88) | 7 (44) | 4 (25) | 2 (13) | 11 (69) |
| GN | 2 (3) | 2 (100) | 1 (50) | 1 (50) | 0 (0) | 0 (0) | 0 (0) |
| HD/PD | 8 (13) | 6 (75) | 5 (63) | 5 (63) | 0 (0) | 0 (0) | 6 (75) |
| Transplant | 26 (43) | 22 (85) | 7 (27) | 7 (27) | 2 (8) | 2 (8) | 16 (62) |
| Intervention | |||||||
| Care delivery | 11 (18) | 8 (73) | 9 (82) | 4 (36) | 0 (0) | 0 (0) | 6 (55) |
| Dialysis | 5 (8) | 3 (60) | 2 (40) | 0 (0) | 0 (0) | 0 (0) | 1 (20) |
| Drug | 43 (70) | 35 (81) | 35 (81) | 17 (40) | 7 (16) | 4 (9) | 26 (60) |
| Procedure/surgery | 2 (3) | 1 (50) | 1 (50) | 0 (0) | 0 (0) | 0 (0) | 1 (50) |
HD, hemodialysis; PD, peritoneal dialysis.
a
Percentages in number of trials column represents column percentages. For other columns, row percentages are provided as n of trials meeting criterion/N of trials in the category.