TABLE 5.
Comparison of the Percentage of Labral-Level Tenotomy Patients (Current Study) and Lesser Trochanteric Tenotomy Patients15 Who Had Hip Muscle Atrophy Seen on Posttenotomy Magnetic Resonance Arthrography
| Muscle | LL Patients (%) | Grade of Atrophya | LT Patients (%)15 | Grade of Atrophya | P Value, χ2 |
|---|---|---|---|---|---|
| Iliacus | 8 | 2 (1.3) | 65 | 4 (1.9) | .001 |
| Psoas | 89 | 4 (1.5) | 85 | 4 (2.9) | >.05 |
| Quadratus femoris | 18 | 2 (1.2) | 10 | 3 (1.8) | |
| Rectus femoris | 4 | 2 (2.0) | 5 | 3 (2.5) | |
| Tensor fascia lata | 0 | 0 | 0 | 0 | |
| Vastus lateralis | 0 | 0 | 5 | 2 (1.5) | |
| Vastus medialis | 0 | 0 | 0 | 0 | |
| Gluteus maximus | 0 | 0 | 25 | 2 (1.3) | .001 |
aData presented as highest grade and (average grade) of muscle atrophy seen on postoperative magnetic resonance arthrography images. LL, labral level; LT, lesser trochanter.