Study attrition rates due to missing data only for those students who had outcome measures reported in year one of medical school
| Academic Year | Undergraduate knowledge-based outcome | Undergraduate skills-based outcome | ||||
| Number of universities | Number of students | % Missing | Number of universities | Number of students | % Missing | |
| 1 | 13 | 1453 | – | 9 | 1051 | – |
| 2 | 13 | 1404 | 3.37 | 9 | 1019 | 3.04 |
| 3 | 11 | 1041 | 28.36 | 7 | 729 | 30.64 |
| 4 | 7 | 711 | 51.07 | 5 | 668 | 36.44 |
| 5 | 4 | 439 | 69.79 | 2 | 260 | 75.26 |