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Table 5 Comparison of modified Harris Hip Scores (categorized by the ARCO) measured preoperatively and at the last follow-up

From: Long-term outcomes of arthroscopic synovectomy and core decompression through multiple small bone holes for early-stage avascular necrosis of the femoral head

ARCO

Time

Modified HHS

t

P Value

Stage I

Before operation

70.15 ± 4.3

-18.88

 < 0.01

Last follow-up

93.33 ± 5.92

Stage II

Before operation

68.5 ± 8.3

-14.73

 < 0.01

Last follow-up

87.3 ± 5.5

Stage III

Before operation

56.7 ± 11.2

-7.03

 < 0.01

Last follow-up

84.4 ± 7.8

  1. ARCO Association Research Circulation Osseous, HHS Harris Hip Score; Data are shown as mean ± standard deviation
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Arthroplasty

ISSN: 2524-7948

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