Table 3 Analysis of risk factors for postoperative AVN in DDH patients undergoing OR.

From: Association between ossific nucleus volume changes and postoperative avascular necrosis risk in children with developmental dysplasia of the hip

 

B

Exp (B)

95% Confidence interval of Exp (B)

p value

Initial age (months)

 − 0.032

0.968

0.885–1.060

0.485

Gender (male/female)

 − 0.514

0.598

0.141–2.534

0.485

Affected side (left/right)

0.952

2.591

0.930–7.219

0.069

IHDI grade (1/2)

 − 0.383

0.682

0.245–1.895

0.463

Affected side/contralateral side (ossific nucleus)

 − 5.154

0.006

0.001–3.529

0.115

  1. IHDI international hip dysplasia institute, AVN avascular necrosis, DDH developmental dysplasia of the hip, OR open reduction.
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