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National Aeronautics and Space Administration task load index data.
| Variable | High-fidelity simulation proctors (n=20), median (IQR) | Virtual reality proctors (n=5), median (IQR) | P value |
| Mental demand | 12.5 (9.6-15.0) | 2 (2-2.5) | <.001 |
| Physical demand | 10.0 (5.0-13.7) | 3.0 (2.0-3.5) | <.001 |
| Temporal demand | 14 (10.2-16.0) | 3.0 (2.0-4.0) | <.001 |
| Performance impact | 8.0 (6.2-12.0) | 2.0 (1.0-3.0) | <.001 |
| Effort | 13.0 (12.2-15.0) | 2.0 (2.0-3.0) | <.001 |
| Frustration | 14.0 (6.7-16.0) | 2.0 (2.0-2.5) | <.001 |
