Table 2.
Pathological grading of the femoral heads at week 14
| Groups | Number of femoral heads | Percentage | |
|---|---|---|---|
| Steroid (group A) | Grade 1 | 2 | 8% |
| Grade 2 | 16 | 62% | |
| Grade 3 | 8 | 31% | |
| Steroid + PTX (group B) | Grade 0 | 13 | 65% |
| Grade 1 | 7 | 35% | |
| P value | χ² = 39,67 | ||
| p < 0.0001 | |||
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