Table 2.
Individual and average intra-class correlations for interobserver, image-based measurements
| Individual | Average | |||||
|---|---|---|---|---|---|---|
| ICC | 95%LCI | 95%UCI | ICC | 95%LCI | 95%UCI | |
| Inclination_ APP | 0.97 | 0.87 | 1.000 | 0.99 | 0.95 | 1 |
| Inclination_ FPP | 0.96 | 0.86 | 0.990 | 0.987 | 0.948 | 1 |
| Version_ APP | 0.98 | 0.94 | 1.000 | 0.99 | 0.978 | 1 |
| Version_ FPP | 0.988 | 0.959 | 0.988 | 0.996 | 0.986 | 1 |
| Offset | 0.866 | 0.604 | 0.973 | 0.951 | 0.821 | 0.99 |
| LLD | 0.945 | 0.823 | 0.989 | 0.98 | 0.933 | 0.996 |
APP: anatomical pelvic plane, FPP functional pelvic plane, LLD leg length discrepancy