Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Inter-fraction errors.
| Translations (mm) | Rotations (°) | |||||
|---|---|---|---|---|---|---|
| X | Y | Z | x | y | z | |
| M | 0 | 0.6 | 0 | 0.02 | 0.06 | 0.18 |
| Σ | 0.7 | 0.8 | 0.5 | 0.02 | 0.06 | 0.18 |
| σ | 0.8 | 0.1 | 0.7 | 0.26 | 0.28 | 0.44 |
Results were obtained from registration of planning CT-with cone-beam CT (CBCT1), based on the cranium as region of interest, using grey value matching. group mean error(M), standard deviation(SD) of systematic errors(Σ), root-mean-square of random errors(σ)
