Table 1 Vascular and blood flow changes in medial circumflex femoral artery in necrotic and healthy groups.
From: Clinical evaluation of blood flow in femoral head necrosis using color doppler ultrasound
Parameter | Necrosis group (52 hips) | Healthy group (57 hips) | Test value | p value |
|---|---|---|---|---|
D (cm) | 0.22 ± 0.03 | 0.22 ± 0.04 | t = − 0.521 | 0.604 |
PSV (cm/s) | 54.89 ± 26.30 | 75.31 ± 27.69 | t = − 3.948 | < 0.001 |
RI | 0.88 ± 0.05 | 0.92 ± 0.06 | t = − 3.041 | 0.003 |
PI | 2.80 ± 0.86 | 33.22 ± 1.32 | t = − 1.981 | 0.051 |