Total Hip Arthroplasty Using the S-ROM-A Prosthesis for Anatomically Difficult Asian Patients

Table 3

The preoperative CFI of femoral bone and the number of intraoperative fractures.

Femoral bone shape (CFI)	Number of hips	Number of fractures (%)	Mean CFI of fracture patients
Stovepipe (<3.0)	23	7 (30.4%)	2.51
Normal (3.0–4.7)	51	8 (15.4%)	3.43
Champagne-flute (>4.7)	5	0 (0%)	—
Total	79	15	2.97

Number of hips without a history of osteotomy of the proximal femoral bone.