TABLE 8.
Radiomic study cohort characteristics among reviewed studies
| Classification | Prognostics | Combined | ||
|---|---|---|---|---|
| (A) | Institutional only | 64 | 41 | 105 |
| Public only | 6 | 8 | 14 | |
| Combined | 7 | 3 | 10 | |
| (B) | Cohort size | |||
| Mean | 256.3 | 242.8 | 250.9 | |
| Std | 206.7 | 217.1 | 211.1 | |
| Median | 200 | 161 | 188 | |
| Range | 7–1212 | 24–1171 | 7–1212 | |
| (C) | No split | 30 | 23 | 53 |
| Cohort split | 47 | 29 | 76 | |
| Independent testing | 5 | 6 | 11 | |
| (D) | Cohort split ratio | |||
| 90/10 | 1 | 1 | 2 | |
| 86/14 | 0 | 1 | 1 | |
| 80/20 | 6 | 5 | 11 | |
| 75/25 | 3 | 2 | 5 | |
| 70/30 | 24 | 3 | 27 | |
| 67/33 | 1 | 4 | 5 | |
| 65/35 | 1 | 1 | 2 | |
| 63/37 | 2 | 1 | 3 | |
| 60/40 | 3 | 3 | 6 | |
| 55/45 | 2 | 3 | 5 | |
| 50/50 | 4 | 5 | 9 |