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Table 1 Patient characteristics (n = 40, means ± SD)

From: Clinical value of 3D printing guide plate in core decompression plus porous bioceramics rod placement for the treatment of early osteonecrosis of the femoral head

 

Experiment group (n = 20)

Control group (n = 20)

P values

Age, years

42.30 ± 9.20

39.70 ± 8.40

0.357

Sex

  

0.327

 Male

11

14

 

 Female

9

6

 

BMI

24.95 ± 2.59

24.47 ± 2.05

0.152

Etiologic factors, number of hips (%)

  

0.414

 Alcohol

10

7

 

 Steroids

7

11

 

 Idiopathic

3

2

 

ARCO stage

  

0.803

 I

6

7

 

 II

8

6

 

 IIIA

6

7

 

Preoperative Harris Hip Score

72.70 ± 3.81

70.40 ± 3.36

0.051

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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X