Scholarlink

Background <p>The patient characteristics and preoperative factors that affect the Knee Injury and Osteoarthritis Outcome Score (KOOS) quality of life (QOL) after total knee arthroplasty (TKA) remain unclear. Therefore, we aimed to determine patient characteristics and preoperative risk factors associated with the lack of the minimal clinically important difference (MCID) in the KOOS QOL subscales 1 year after TKA.</p> Methods <p>This single-center cohort study included 149 patients with knee osteoarthritis who underwent primary TKA using the subvastus approach. Patients were divided into two groups based on whether they achieved or failed to achieve the 1-year postoperative MCID in KOOS, in reference to the preoperative baseline score.</p> Results <p>Fifty-four patients did not achieve the MCID in the KOOS QOL scales 1 year after TKA. Significant predictors included in univariate analysis included the preoperative prevalence period, knee flexion range of motion (ROM), and KOOS pain, activities of daily living (ADL), and function in sports and recreation (Sport/Rec). Multivariate logistic regression analysis identified knee flexion ROM as the most significant factor (odds ratio: 1.080; 95% confidence interval: 1.048–1.112; <i>P</i> = 0.001). According to the receiver operating characteristic curve, a preoperative knee flexion ROM of 120° was the threshold for predicting achieved MCID in the KOOS QOL 1 year postoperatively (sensitivity: 0.61; specificity: 0.86); the area under the curve was 0.81.</p> Conclusions <p>Patients with longer preoperative prevalence periods and higher preoperative KOOS pain, ADL, and Sport/Rec scores were more likely not to achieve the MCID in the QOL. Furthermore, limited preoperative knee flexion ROM may affect the risk of not achieving the MCID.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Preoperative factors associated with failure to achieve the minimal clinically important difference in quality of life following total knee arthroplasty

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年7月2日

查看全文
  • Takaya Watabe,
  • Takuya Sengoku,
  • Ryota Muramatsu,
  • Masafumi Kubota,
  • Goro Sakurai,
  • Shinya Yoshida,
  • Yuta Taniguchi

摘要

Background

The patient characteristics and preoperative factors that affect the Knee Injury and Osteoarthritis Outcome Score (KOOS) quality of life (QOL) after total knee arthroplasty (TKA) remain unclear. Therefore, we aimed to determine patient characteristics and preoperative risk factors associated with the lack of the minimal clinically important difference (MCID) in the KOOS QOL subscales 1 year after TKA.

Methods

This single-center cohort study included 149 patients with knee osteoarthritis who underwent primary TKA using the subvastus approach. Patients were divided into two groups based on whether they achieved or failed to achieve the 1-year postoperative MCID in KOOS, in reference to the preoperative baseline score.

Results

Fifty-four patients did not achieve the MCID in the KOOS QOL scales 1 year after TKA. Significant predictors included in univariate analysis included the preoperative prevalence period, knee flexion range of motion (ROM), and KOOS pain, activities of daily living (ADL), and function in sports and recreation (Sport/Rec). Multivariate logistic regression analysis identified knee flexion ROM as the most significant factor (odds ratio: 1.080; 95% confidence interval: 1.048–1.112; P = 0.001). According to the receiver operating characteristic curve, a preoperative knee flexion ROM of 120° was the threshold for predicting achieved MCID in the KOOS QOL 1 year postoperatively (sensitivity: 0.61; specificity: 0.86); the area under the curve was 0.81.

Conclusions

Patients with longer preoperative prevalence periods and higher preoperative KOOS pain, ADL, and Sport/Rec scores were more likely not to achieve the MCID in the QOL. Furthermore, limited preoperative knee flexion ROM may affect the risk of not achieving the MCID.