Table 2

Objective evaluation of Traceculectomy Sim-OSSCAR scores: intervention versus control groups

Timing of simulation trabeculectomy competency assessmentIntervention
Score*, mean (%) (SD)
Control
Score*, mean (%) (SD)
Difference†
Score*
95% CI
Score*
P value
Baseline9.1 (22.6) (5.0)8.7 (21.8) (3.7)−0.3−2.8 to 2.20.788
Final day of training course‡30.7 (76.9) (5.1)21.719.0 to 24.4(0.117)‡
3-month (primary outcome)30.4 (76.1) (4.4)9.8 (24.4) (3.6)20.618.3 to 22.9<0.001
12-month28.6 (71.5) (3.9)11.6 (29.0) (4.4)17.014.8 to 19.4<0.001
Final day of training course‡30.9 (77.6) (3.7)19.217.3 to 21.0(0.117)‡
15-month28.4 (71.0) (2.1)28.9 (72.3) (5.0)−0.5−7.1 to 6.00.873
  • *Score out of 40 points.

  • †Adjusting for training centre as a fixed effect.

  • ‡Training course intervention was after 12 months for control participants (p=0.177 relates to intervention vs control on final day of training course).

  • Sim-OSSCAR, Ophthalmic Simulation Surgical Competency Assessment Rubric.