Skip to main content

Table 2 Results of Free Vascularized Fibula Grafting Using the Steinberg's Classification System.

From: Indications for free vascularized fibular grafting for the treatment of osteonecrosis of the femoral head

Stage Hips with Excellent or Good Score (> 70) Radiographic Progression Conversion to THA
IB (n = 2) 2 hips 0 0
IC (n = 1) 1 hip 1 hip 0
IIA (n = 1) 1 hip 0 0
IIB (n = 3) 3 hips 0 0
IIC (n = 24) 20 hips 9 hips 1 hip
IIIB (n = 1) 1 hip 0 0
IIIC (n = 2) 0 2 hips 2 hips
IVA (n = 2) 2 hips 0 0
IVB (n = 8) 3 hips 4 hips 3 hips
IVC (n = 24) 14 hips 16 hips 5 hips
VC (n = 3) 0 3 hips 2 hips