Table 2.
Cognitive and Technical Skills Assessment Results
| Task | |
|---|---|
| Cognitive assessment,a mean±SD (%) correct | |
| Pretest | 56%±17% |
| Post-test | 91%±11% |
| B-mode imaging | |
| Optimized adjustment of ultrasound controls | 100% |
| Correct transducer orientation | 100% |
| Obtained transverse and longitudinal views | 100% |
| Identified kidney stone and location | 100% |
| Translucent maze | |
| Time (minutes), mean±SD | 4.6±2.2 |
| Total pushes delivered, mean±SD | 12.5±3.5 |
| % Effective pushes delivered, mean±SD (%) | 71%±21% |
| Successful task completion | 100% |
| Human phantom | |
| Reposition lower pole calyceal stone | |
| To infundibulum | 100% |
| To renal pelvis (goal) | 90% |
| Time (minutes), mean±SD | 4.5±3.1 |
| Total pushes delivered, mean±SD | 15.7±13.3 |
| % Effective pushes delivered, mean±SD (%) | 80%±15% |
a
p<0.0001.