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Table 3 Multivariate analysis of prognostic factors for clinical success rate

From: Multiple drilling combined with simvastatin versus multiple drilling alone for the treatment of avascular osteonecrosis of the femoral head: 3-year follow-up study

 

Odd ratioa

P valueb

Treatment

 

0.032

 MD

1

 SIM

0.2 (0.1,0.6)

BMI (kg/m2)

 

0.014

  < 25

1

  ≥ 25

20.9 (1.9,234.1)

ARCO stage

 

0.006

 I, II a, II b

1

 II c,III a

32.1 (3.4,530.4)

Lesion location

 

0.018

 A, B

1

 C1, C2

17.4 (1.6,185.9)

  1. aData in parentheses are 95 % CIs
  2. bDetermined with logistic regression analysis
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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