Open Access
Table 1
Graf classification using correctly the ultrasonographic probe (vertical position to the hip joint).
| Type I | Type D | Type IIa | Total | |
|---|---|---|---|---|
| Group#1 | 53/66 (80.30%) | 0/66 (0%) | 13/66 (19.70%) | 66/66 (100%) |
| Group#2 | 52/54 (96.30%) | 0/54 (0%) | 2/54 (3.70%) | 54/54 (100%) |
| Group#3 | 63/63 (100%) | 0/63 (0%) | 0/63 (0%) | 63/63 (100%) |
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