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 3 Association Research Circulation Osseous (ARCO) stage III vs IV Harris hip score (HHS) and visual analogue scale (VAS) score in patients with femoral head necrosis after total hip arthroplasty.

	Stage III	Stage IV	P-value
Preoperatively
HSS	71.43±32.42	68.43±36.42	0.086
VAS scores	6.99±1.51	5.98±1.51	0.156
Postoperatively
HSS	93.67±25.82	90.77±45.82	0.062
VAS scores	66.48±1.01	0.63±0.23	0.173

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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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