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Table 3 Radiographic and clinical findings

From: Outcome of the modified Dunn procedure in severe slipped capital femoral epiphysis

Slip angle (°) 7.5 ± 3.5 (2 to 15)
α angle (°) 42 ± 6.4 (25 to 55)
Tönnis grade of OA (no. of hips)  
 0 20
 1 0
 2 0
 3 1
HHS score (range) 96.7 ± 13.4 (40 to 100)
WOMAC score (range) 95.4 ± 10.6 (38 to 100)
Complications (no. of hips)  
 AVN 0
 FAI 0
 Trochanteric nonunion 0
 Infection 0
 Implant failure 1