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Comparisons of inter- and intraobserver variation between the different classification methods (including those that could not be classified (cc) as a category).
| Classification method (including cc) | Interobserver Kappa Mean (SD) | Intraobserver Kappa Mean (SD) |
|---|---|---|
| Mason | 0.33 (0.12) | 0.43 (0.28) |
| Charalambous (8 morphology categories) | 0.42 (0.08) | 0.49 (0.11) |
| Charalambous (4 morphology categories) | 0.54 (0.06) | 0.59 (0.10) |
| Charalambous (un-displaced vs. displaced) | 0.35 (0.19) | 0.50 (0.14) |
