Table 3.
Correlation of intraobserver test-retest interfractional shifts, Pearson correlation coefficients with 95% confidence intervals
| A-P | L-R | S-I | |
|---|---|---|---|
| MD1 | |||
| kV-FM | .989 | .935 | .974 |
| .986-.991 | .918-.949 | .967-.980 | |
| ST-CBCT | .830 | .848 | .422 |
| .771-.875 | .794-.888 | .277-.548 | |
| MD2 | |||
| kV-FM | .988 | .986 | .977 |
| .984-.991 | .981-.989 | .970-.983 | |
| ST-CBCT | .863 | .930 | .871 |
| .803-.906 | .897-.952 | .814-.912 | |
| MD1 & MD2 | |||
| kV-FM | .989 | .963 | .976 |
| .987-991 | .955-.969 | .971-.980 | |
| ST-CBCT | .845 | .903 | .834 |
| .804-.877 | .877-.924 | .791-.869 |
A-P, anterior-posterior; kV-FM, kV orthogonal imaging with fiducial markers; L-R, left-right; S-I, superior-inferior; ST-CBCT, soft-tissue cone beam computed tomography.