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Table 6 Relationship between the estimated risk of treatment failure and the scores of the patients

From: The indications for core decompression surgery in patients with ARCO stage I-II osteonecrosis of the femoral head: a new, comprehensive prediction system

Score

Estimated risk of treatment failure

7.5

< 10

10

< 20

11

< 30

12.5

< 40

14

< 50

15

< 60

17

< 70

18.5

< 80

20.5

< 90

> 20.5

100