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Table 1 Demographic data

From: Comparison of retrograde anatomy iliac bone flap grafting versus anterograde anatomy iliac bone flap grafting for treatment of osteonecrosis of the femoral head

Variable

Retrograde group

Antegrade group

P value#

(N = 49)

(N = 52)

Age (year)

34.0 ± 8.1

35.4 ± 9.3

0.417

Sex

  

0.525

 Male

31

37

 

 Female

18

15

 

BMI

  

0.49

 Normal

35

41

 

 Abnormal

14

11

 

Alcohol history

  

1

 Yes

18

19

 

 No

31

33

 

Smoking history

  

0.547

 Yes

21

18

 

 No

28

34

 

Chronic diseases*

  

0.797

 Yes

8

10

 

 No

41

42

 

Etiology

  

0.834

 Glucocorticoid

12

13

 

 Alcoholic

11

8

 

 Traumatic

21

25

 

 Idiopathic

5

6

 

ARCO stage

  

0.818

 II

36

40

 

 III

13

12

 
  1. #Two-sided Fisher’s exact test
  2. *Hypertension, diabetes, coronary heart disease, etc.
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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X