Table 2 Mean cross-sectional area (CSA) (mm2) of muscles and percentage differences between osteoarthritis (OA) and normal hips
OA (range) | Normal (range) | % Difference (range) | P Value† | |
|---|---|---|---|---|
Iliopsoas | ||||
Top of AIIS | 740.5 (442.2–1127.2) | 912.8 (592.6–1324.0) | −17.9 (−43.8 to 18.1) | < 0.001 |
Bottom of AIIS | 624.2 (336.1–898.5) | 760.7 (490.6–1079.2) | −16.7 (−54.7 to 11.7) | < 0.001 |
Tip of GT | 503.8 (276.1–860.5) | 575.3 (355.4–902.9) | −10.5 (−49.3 to 35.5) | < 0.001 |
Gluteus medius | 2260.3 (1620.4–3252.9) | 2539.1 (1463.7–3922.9) | −9.5 (−33.1 to 47.7) | < 0.001 |
Gluteus minimus | 734.9 (263.2–1849.8) | 566.7 (85.2–1236.6) | 37.9 (−54.5 to 262.5) | 0.001 |
Gluteus medius/minimus | 2995.2 (1883.5–5102.6) | 3105.8 (1548.9–5159.4) | −1.9 (−28.5 to 71.0) | 0.166 |