Table 3. Characteristics of FY2021 and FY2010 RPGs according to solicitation status.
| Characteristic | Solicited 2021 | Unsolicited 2021 | Solicited 2010 | Unsolicited 2010 | |
|---|---|---|---|---|---|
| Total N (%) | 16042 (40.6) | 23471 (59.4) | 9697 (28.0) | 24986 (72.0) | |
| Total Costs ($M BRDPI) | Mean (SD) | 0.71 (1.36) | 0.48 (0.31) | 0.65 (1.28) | 0.52 (0.47) |
| Log-10 Total Costs BRDPI | Mean (SD) | 5.69 (0.33) | 5.63 (0.20) | 5.65 (0.35) | 5.66 (0.20) |
| R01-Equivalent | Yes | 10621 (66.2) | 20637 (87.9) | 6677 (68.9) | 22196 (88.8) |
| R21 or R03 | Yes | 2750 (17.1) | 2199 (9.4) | 2248 (23.2) | 1857 (7.4) |
| Costs > $5 million BRDPI | Yes | 121 (0.8) | 14 (0.1) | 55 (0.6) | 32 (0.1) |
| Cooperative Agreement | Yes | 2327 (14.5) | 77 (0.3) | 1478 (15.2) | 208 (0.8) |
| Clinical Trial | Yes | 3104 (19.3) | 1072 (4.6) | 1335 (13.8) | 1067 (4.3) |
| Human or Animal | Neither | 3407 (21.2) | 4220 (18.0) | 1632 (16.8) | 5096 (20.4) |
| Animal | 4579 (28.5) | 12054 (51.4) | 3151 (32.5) | 12696 (50.8) | |
| Human | 6823 (42.5) | 4997 (21.3) | 4287 (44.2) | 5347 (21.4) | |
| Both | 1233 (7.7) | 2200 (9.4) | 627 (6.5) | 1847 (7.4) | |
| Organization Type | Institute of Higher Education | 12983 (80.9) | 19581 (83.4) | 7662 (79.0) | 20848 (83.4) |
| Research Organization | 1214 (7.6) | 1384 (5.9) | 902 (9.3) | 1836 (7.3) | |
| Independent Hospital | 1419 (8.8) | 2076 (8.8) | 824 (8.5) | 1824 (7.3) | |
| Other | 426 (2.7) | 430 (1.8) | 309 (3.2) | 478 (1.9) |
RPG = Research Project Grant. BRDPI = Biomedical Research and Development Price Index. All BRDPI-adjusted costs are based on an FY2021 reference (in other words, basedon 2021 dollars).