Table 7. Intra-rater agreement for alpha and beta angles.
The intra-rater agreement was excellent for alpha and beta angles.
| Examiner | Variable | Intraclass Correlation | 95% Confidence Interval | F Test With True Value 0 | ||
| Lower Bound | Upper Bound | Value | Significance | |||
| Consultant Radiologist | Alpha | .985 | .974 | .991 | 65.665 | < .001 |
| Beta | .922 | .867 | .954 | 12.866 | < .001 | |
| Senior Sonographer | Alpha | .948 | .911 | .969 | 19.183 | < .001 |
| Beta | .911 | .848 | .948 | 11.191 | < .001 | |
| Medical Student | Alpha | .999 | .998 | .999 | 843.617 | < .001 |
| Beta | .995 | .992 | .997 | 215.600 | < .001 | |