Comparison of Outcomes Following Total Hip Arthroplasty Between Patients Diagnosed with Association Research Circulation Osseous (ARCO) Stage III and Stage IV Osteonecrosis of the Femoral Head: A Retrospective Study of 302 Patients

Meng Yang; Xiangke Li; Kung Chu; Zihang Li; Congcong Wei; Mengxuan Yao; Huijie Li

doi:10.12659/MSM.938991

17 January 2023 : Clinical Research

Comparison of Outcomes Following Total Hip Arthroplasty Between Patients Diagnosed with Association Research Circulation Osseous (ARCO) Stage III and Stage IV Osteonecrosis of the Femoral Head: A Retrospective Study of 302 Patients

Meng Yang^1ABC, Xiangke Li^2D, Kung Chu^1F, Zihang Li^1E, Congcong Wei^3B, Mengxuan Yao^1E, Huijie Li^4AB*

DOI: 10.12659/MSM.938991

Med Sci Monit 2023; 29:e938991

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Table 5 Results of independent sample t test for Association Research Circulation Osseous (ARCO) stage III vs stage IV forgotten joint scores (FJS) in patients with femoral head necrosis after total hip arthroplasty.

Variables	Stage III	Stage IV	P-value
FJS at 3 months postoperatively	15.21±7.25	10.14±5.12	P<0.001
FJS at 6 months postoperatively	30.24±8.95	21.61±6.74	P<0.001
FJS at 12 months postoperatively	36.59±9.11	30.24±7.51	P<0.001

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Comparison of Outcomes Following Total Hip Arthroplasty Between Patients Diagnosed with Association Research Circulation Osseous (ARCO) Stage III and Stage IV Osteonecrosis of the Femoral Head: A Retrospective Study of 302 Patients

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