Table 1 Summary overview of included articles *
Study aim | Cardiovascular (n = 18) | Oncology (n = 22) | Other (n = 38) | Aim of prediction model | Total articles (n = 78) | Number of models (n = 120) | |
|---|---|---|---|---|---|---|---|
Diagnostic (n = 19) | Prognostic (n = 59) | ||||||
Model development with temporal-split validation | 3 (4) | 1 (1) | 8 (10) | 2 (3) | 10 (13) | 12 (15) | 14 (12) |
Model development with external validation | 7 (9) | 6 (8) | 8 (10) | 3 (4) | 18 (23) | 21 (27) | 38 (32) |
External validation only | 8 (10) | 15 (19) | 22 (28) | 14 (18) | 31 (40) | 45 (58) | 68 (57) |