ArticleJournal of orthopaedics2025
Factors influencing good knee joint range of motion and pain-free recovery 2 years after total knee arthroplasty.
Article in Journal of orthopaedics, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Factors associated with achieving knee flexion around one hundred and twenty five degrees and numerical rating scale around one at one year after posterior cruciate-retaining total knee arthroplasty.International orthopaedics · 2026Article
- Robotic-Assisted Total Knee Arthroplasty: Current Evidence on PROMs, Functional Outcomes, Neuromotor Recovery, and Complications-A Narrative Review.Medicina (Kaunas, Lithuania) · 2026Review
- Association between medial femoral resection thickness and postoperative pain after fixed-bearing unicompartmental knee arthroplasty: an exploratory cohort study.BMC musculoskeletal disorders · 2026Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Introduction: We investigated the factors associated with achieving a flexion angle of at least 120° and a numerical rating scale (NRS) score of 1.0 or less (maximum 0, minimum 10) 2 years after cruciate retaining-total knee arthroplasty (CR-TKA). Materials and methods: We retrospectively studied 100 consecutive patients that underwent CR-TKA in July 2018-December 2021 and divided them into two groups: those that achieved at least 120° flexion and 1.0 or less NRS at 2 years postoperatively (group G) and those that did not (group NG). The endpoints were preoperative and 1-year postoperative NRS, preoperative and 1-year postoperative flexion range of motion (ROM), 2 years postoperative flexion ROM, and preoperative Oxford Knee Score (OKS). Univariate, logistic regression analyses determined items with significant differences that were then used in receiver operating characteristic (ROC) analysis to determine cut-off values. Results: Group G showed a lower body mass index (24.6 ± 3.3 vs. 26.6 ± 4.0; P = 0.016), lower 1-year postoperative NRS (0.53 ± 0.99 vs. 2.0 ± 2.0; P < 0.001), and higher 1-year postoperative flexion ROM (125.3° ± 6.2° vs. 114.9° ± 10.9°; P < 0.001). Preoperative NRS and ROM did not differ between the groups. Multivariate analysis revealed that flexion ROM at 1 year (odds ratio [OR]: 1.17, 95 % confidence interval [CI]: 1.03-1.27; P < 0.001) and NRS at 1 year (OR: 0.49, 95 % CI: 0.29-0.83; P < 0.001) were significantly associated with achieving a postoperative flexion angle ≥120° and pain-free recovery. The ROC cut-off values were a flexion angle ≥125° and NRS ≤1.0 at 1 year postoperatively. Conclusion: Predictors of achieving a flexion angle of 120° or more and NRS 1.0 or less at 2 years after CR-TKA were good ROM and adequate pain relief 1 year postoperatively, regardless of preoperative pain or ROM.
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