Table 1.
General test characteristics and overall test scores
| Dutch Radiology Progress Test | |||||||
|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | |
| General test characteristics | |||||||
| Date | Apr 2016 | Oct 2016 | Apr 2017 | Oct 2017 | Apr 2018 | Oct 2018 | Apr 2019 |
| Participants (n) | 346 | 328 | 349 | 316 | 338 | 337 | 344 |
| Test items (n) | 180 | 180 | 180 | 180 | 180 | 180 | 180 |
| Excluded test items (n) | 7 | 4 | 8 | 9 | 9 | 8 | 7 |
| Highest possible absolute sum score | 173 | 176 | 172 | 171 | 171 | 172 | 173 |
| Chance success sum score | 69 | 75 | 67 | 57 | 54 | 49 | 42 |
| Highest possible absolute-minus-chance sum score | 104 | 101 | 105 | 114 | 117 | 123 | 131 |
| Pass standard (given as absolute-minus-chance success sum score) | 47 | 44 | 48 | 58 | 53 | 61 | 66 |
| Overall test scores (median (IQR)) | |||||||
| Absolute sum score | 116 (21) | 119 (23) | 115 (20) | 117 (21) | 109 (24) | 115 (30) | 112 (28) |
| Absolute-minus-chance success sum score | 47 (21) | 44 (23) | 48 (20) | 60 (21) | 55 (24) | 66 (30) | 70 (28) |
| Relative test score (max. 100) | 45 (20) | 44 (23) | 46 (19) | 53 (18) | 47 (21) | 54 (24) | 53 (21) |
Apr, April; Oct, October; IQR, interquartile range