Numbers of attempts at Part 1, Part 2 and PACES. Top row: The figures show, for Part 1, Part 2 and PACES, the highest number of attempts at the examination (grey bars), and if the examination was passed, the attempt at which it was passed (pale green bars). Bottom row: The same data as in the top row but the ordinate is on a logarithmic scale. The fitted lines are lowess curves, blue for highest attempt and green for attempt at which the examination was passed. PACES, Practical Assessment of Clinical Examination Skills.