Table 1 Population mean (M), systematic (Σ), and random (σ) translational and rotational errors in 3-dimensions in reverse semi-decubitus positions
|  |  | RL (mm) | AP (mm) | SI (mm) | Roll (°) | Yaw (°) | Pitch (°) |
|---|---|---|---|---|---|---|---|
Initial inter-fraction error | M | 0.2 | −2.5 | 0.7 | 1.1 | 1.0 | 0.7 |
Σ | 1.8 | 3.3 | 2.7 | 0.5 | 0.5 | 0.5 | |
σ | 1.8 | 1.8 | 2.1 | 0.5 | 0.4 | 0.3 | |
Residual inter-fraction error | M | 0.2 | −0.9 | 0.4 | 1.0 | 0.9 | 0.6 |
Σ | 1.2 | 1.8 | 1.4 | 0.4 | 0.4 | 0.3 | |
σ | 1.4 | 1.5 | 1.6 | 0.4 | 0.4 | 0.3 | |
Intra-fraction motion | M | −0.1 | −0.4 | 0.2 | 0.2 | 0.2 | 0.2 |
Σ | 0.9 | 1.0 | 1.0 | 0.1 | 0.1 | 0.1 | |
σ | 1.0 | 1.3 | 1.2 | 0.2 | 0.1 | 0.1 |