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Herring classification for initial and final rating of patients with Legg-Calve-Perthes disease
| Initial rating | Final rating | ||||
|---|---|---|---|---|---|
| A | B | B/C | C | Total | |
| A | 5 | 19 | 3 | 3 | 30 |
| B | – | 24 | 3 | 3 | 30 |
| B/C | – | – | 1 | – | 1 |
| C | – | – | – | 8 | 8 |
| Total | 5 | 43 | 7 | 14 | 69 |
Percent agreement, 55%; intraclass correlation coefficient, 0.491 (95% CI, 0.116–0.709).
