Table 1.
Distribution of hips by Graf type
| Graf type | Numbers of hips | Percent |
|---|---|---|
| Ia | 763 | 36.78 |
| Ib | 1,168 | 56.31 |
| IIa | 110 | 5.33 |
| IIb | 9 | 0.43 |
| IIc | 12 | 0.57 |
| D | 3 | 0.14 |
| IIIa | 6 | 0.28 |
| IIIb | 1 | 0.05 |
| IV | 2 | 0.1 |
| Total | 2,074 | 100 |
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