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Comparison of intra-observer and inter-observer agreement in the measurement of three dimensional acetabular angle (AA) and femoral anteversion (FA) as calculated by the intra-class correlation coefficient (ICC)
| Observer | AA | FA | ||
|---|---|---|---|---|
| ICC | P-value | ICC | P-value | |
| A-A | 0.934 | 0.000 | 0.947 | 0.000 |
| A-B | 0.864 | 0.000 | 0.815 | 0.000 |
| A-C | 0.805 | 0.000 | 0.881 | 0.000 |
| B-C | 0.895 | 0.000 | 0.826 | 0.000 |
