Table 1 Participant characteristics.
From: Augmented reality guidance improves accuracy of orthopedic drilling procedures
Student | Trainee | Surgeon | P-value | ||
|---|---|---|---|---|---|
Mean age in years (SD, Min–Max) | 24.3 (1.03, 23–26) | 29.5 (2.17, 26–32) | 43.7 (8.04, 32–53) | p < 0.001 | |
Sex | Male | 5 | 4 | 2 | χ2 (2, n = 18) = 3.27 p = 0.19 |
Female | 1 | 2 | 4 | ||
Experience in bone drilling | None | 4 | 0 | 0 | χ2 (6, n = 18) = 16.67 p = 0.011 |
Some | 2 | 2 | 0 | ||
Considerable | 0 | 4 | 5 | ||
Very experienced | 0 | 0 | 1 | ||
Use of HoloLens before | Yes | 1 | 3 | 1 | χ2 (2, n = 18) = 2.22 p = 0.33 |
No | 5 | 3 | 5 | ||