Risk Factors for Postoperative Knee Stiffness in Patients with Anteromedial Knee Osteoarthritis Undergoing Unicompartmental Knee Arthroplasty with Cemented Prostheses: A Short-Term, Retrospective, Case-Control Study

Congcong Wei; Xihan Zhang; Mingming Dong; Boyi Lei; Jiangbo Zhao; Xiangdong Xi; Shuai Zhao; Baigang Zhou

doi:10.12659/MSM.942440

25 November 2023 : Clinical Research

Risk Factors for Postoperative Knee Stiffness in Patients with Anteromedial Knee Osteoarthritis Undergoing Unicompartmental Knee Arthroplasty with Cemented Prostheses: A Short-Term, Retrospective, Case-Control Study

Congcong Wei^1ABCDEF, Xihan Zhang^1B, Mingming Dong^2B, Boyi Lei^1B, Jiangbo Zhao^1B, Xiangdong Xi^1B, Shuai Zhao^1B, Baigang Zhou^1AG*

DOI: 10.12659/MSM.942440

Med Sci Monit 2023; 29:e942440

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Table 4 Independent risk factors for postoperative knee stiffness in patients with knee osteoarthritis undergoing unicompartmental knee arthroplasty.

Risk factor (independent)	Odds ratio	95% Confidential interval	P
Age	1.035	1.022–1.048	<0.001
Varus deformity	1.188	1.186–1.192	<0.001
Preoperative maximum flexion (degrees)	0.909	0.896–0.923	<0.001
Tibial component posterior slope angle (degrees)	0.690	0.550–0.870	0.001

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Risk Factors for Postoperative Knee Stiffness in Patients with Anteromedial Knee Osteoarthritis Undergoing Unicompartmental Knee Arthroplasty with Cemented Prostheses: A Short-Term, Retrospective, Case-Control Study

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