Figure 3.

Redistributable cases. Three participants (#4, 5, 6) failed to attain proficiency by either expert evaluation or Cusum criteria. Six participants (#1, 2, 3, 8, 9) performed a total of 32 cases after becoming proficient by both metrics.

Redistributable cases. Three participants (#4, 5, 6) failed to attain proficiency by either expert evaluation or Cusum criteria. Six participants (#1, 2, 3, 8, 9) performed a total of 32 cases after becoming proficient by both metrics.