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Association between radiographic classifications and residual hip dysplasia/subluxation during childhood in Group 1, given as number of hips
| Residual hip dysplasia | |||
|---|---|---|---|
| Radiographic grading | No | Yes | p-value* |
| IHDI | |||
| I | 1 | 0 | 0.135 |
| II | 16 | 5 | - |
| III | 16 | 12 | - |
| IV | 8 | 11 | - |
| LMH | |||
| I | 1 | 0 | 0.034 |
| II | 25 | 9 | - |
| III | 15 | 19 | - |
| Tönnis | |||
| I | 1 | 0 | 0.325 |
| II | 29 | 16 | - |
| III | 7 | 9 | - |
| IV | 1 | 0 | - |
IHDI, International Hip Dysplasia Institute classification; LMH, lateral metaphysis height
Pearson’s chi-square test.
