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Table 1 HHS scores preoperatively and postoperatively in ARCO IIB and IIC stages

From: One-sided hip-preserving and concurrent contralateral total hip arthroplasty for the treatment of bilateral osteonecrosis of the femoral head in different stages: short-medium term outcomes

Stages

Pre-op(points)

Post-op(points)

P value

ARCO II B

57.8 ± 22.7

91.4 ± 5.5

P < 0.05

ARCO II C

63.0 ± 14.6

80.9 ± 19.5

P < 0.05

Total

61.6 ± 17.0

83.8 ± 17.9

P < 0.05

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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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