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Table 3 The Binary logistic regression model of the risk factors related to the CR in the treatment of DDH

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

  Regression coefficient 95% CI of coefficient Odds ratio P
Intercept (constant) − 1.656    
Age grading at initial CR
 > 18.35 months vs. ≤ 18.35 months 0.990 1.124 to 6.447 2.692 0.026
MI after CR
 < 35.35 mm vs > 35.35 mm 1.581 2.013 to 11.741 4.862 < 0.001