Table 1.

Demographics and preoperative SCFE characteristics

Patients (no. of hips)	20 (21)
Age (range) (year)	13.2 ± 1.6 (10–17)
Sex (F:M)	14:06
Hip (L:R)	6:15
Classification (no. of hips)
Loder (U:S)	1:20
Fahey/O’Brien (acute:chronic)	1:20
Duration of follow-up (range) (months)	31.2 ± 14 (12–57)
Slip angle (°)	63.2 ± 8.1 (51–84)
α angle (°)	94.5 ± 21.1 (61–123)

M male, F female, L left, R right, U unstable, S stable