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Table 5 Results according to Kalamchi and MacEwen for osteonecrosis evaluation

From: Analyses of outcomes of one-stage operation for treatment of late-diagnosed developmental dislocation of the hip: 864 hips followed for 3.2 to 8.9 years

 

Kalamchi (%)

Young

Middle

Older

Total

Absent

89(43.3)

393(68.3)

12(14.7)

494(57.2)

 

I

46(22.3)

82(14.2)

5(6.1)

133(15.4)

 

II

38(18.4)

74(12.8)

24(29.3)

136(15.7)

 

III

25(12.1)

15(2.6)

26(31.7)

66(7.6)

 

IV

8(3.9)

12(2.1)

15(18.2)

35(4.1)