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Table 3 Radiographic changes in subgroups of patients

From: Preliminary report of the outcomes and indications of single approach, double-channel core decompression with structural bone support and bone grafting for osteonecrosis of the femoral head

 

Stable (n)

Worse (n)

Progression rate(%)

Aetiology

 Corticosteroids (n=66)

49

17

25.76

 Alcohol abuse (n=44)

30

14

38.82

 Traumatic (n=9)

6

3

33.33

 Idiopathic (n=20)

18

2

10.00

Between the four groups: P=0.278

 JIC type

  B (n=21)

19a

2a

9.52

  C1 (n=54)

46a

8a

14.81

  C2 (n=64)

38b

26b

40.62

Between the three groups: P=0.001

 Age (years)

  <44 (n=102)

78

24

23.53

  >44 (n=37)

25

12

32.43

Between the two groups: P=0.290

 ARCO stage

  ARCOII (n=63)

47

16

25.40

  ARCO III (n=76)

56

20

26.32

Between the two groups: P=0.902

 Total (n=139)

103

36

25.90

  1. a No significant difference between the two groups (P>0.05)
  2. b Significant difference between the two groups (P<0.05)
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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