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Table 1 Patient demographics of 110 patients included in the study

From: Efficacy of closed reduction for developmental dysplasia of the hip: midterm outcomes and risk factors associated with treatment failure and avascular necrosis

Number of patients/hips (n) 110 patients/138 hips
Age at initial CR (Mo) 16.57 ± 4.96 (6.40 to 33.20)
Follow-up (Mo) 51.22 ± 13.35 (24.03 to 79.37)
AI at the initial CR (°) 36.48 ± 6.17
MI after CR 36.28 ± 6.16
Sex (n)
 Male 17 patients
 Female 93 patients
Laterality (n)
 Unilateral DDH 82 patients
 Bilateral DDH 28 patients
Percutaneous adductor tenotomy (n)
 Yes 64 patients/85 hips
 No 46 patients/53 hips
Presence of femoral ossific nucleus (n)
 Yes 64 patients/120 hips
 No 15 patents/18 hips
IHDI grade (n)
 II 29 patients/37 hips
 III 40 patients/48 hips
 IV 41 patients/53 hips