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Table 1 Characteristics of clinical failures

From: Single approach to double-channel core decompression and bone grafting with structural bone support for treating osteonecrosis of the femoral head in different stages

tSexAge (years)BMILeft/rightRisk factorsPre/last HarrisPre/last ARCOSurvival time (months)
1Male2623.4LeftCorticosteroids65.7/36.4IIIA/IV14
2Male3722.0RightCorticosteroids83.7/30.7IIIA/IV15
3Male3025.6RightCorticosteroids69/67IIIA/IIIC12
4Male1820.0RightTrauma75.7/71.7IIIC/IV6