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Uptodate Reference Title
Outcome of slipped capital femoral epiphysis (SCFE) according to the severity of slip*
Outcome of slipped capital femoral epiphysis (SCFE) according to the severity of slip*
Severity¶
Patients with this degree of severity (percent)
Iowa hip scoreΔ of hips at latest follow-up
Osteonecrosis (percent)
Chondrolysis (percent)
Mild
43
89
2
7
Moderate
32
81
18
16
Severe
25
73
19
31
* Data from 155 hips in 124 patients with SCFE followed for a mean of 41 years. ¶ Mild slips are <30 degrees of femoral head-shaft angle deviation from the contralateral side; moderate slips are between 30 and 50 degrees; severe slips are >50 degrees. Δ The Iowa hip score is a standardized instrument that gives points for function, freedom from pain, gait, absence of deformity and range of motion; normal score = 100.
Adapted from: Carney BT, Weinstein SL, Noble J. J Bone Joint Surg Am 1991; 73:667.