Table 1 Measurements of the mechanical leg axis of a cadaver leg with 4° of varus malalignment with the navigation system
From: Reliability of limb alignment measurement for high tibial osteotomy with a navigation system
Mechanical leg axis | N | Min (°) | Max (°) | Mean (°) | SD (°) | Mean error (°) |
|---|---|---|---|---|---|---|
All | 20 | 2.7 | 5.1 | 3.9 | 0.7 | 0.6 |
Observer1 | 5 | 2.7 | 4.5 | 3.9 | 0.8 | 0.7 |
Observer2 | 5 | 3.3 | 5.1 | 4.4 | 0.7 | 0.7 |
Observer3 | 5 | 2.7 | 4.4 | 3.5 | 0.6 | 0.7 |
Observer4 | 5 | 3.1 | 4.8 | 4.0 | 0.7 | 0.5 |