ArticleBone & joint open2025
Pain catastrophizing immediately after surgery predicts postoperative patient satisfaction one year after total knee arthroplasty.
Article in Bone & joint open, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Not yet cited in PubMed.
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Corrections and comments
- Erratum issuedCorrigendum.2026
Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Aims: Patient satisfaction after total knee arthroplasty (TKA) is a key measure of clinical outcome. While preoperative pain catastrophizing is known to affect postoperative results, the impact of early postoperative catastrophizing remains unclear. This study aimed to evaluate whether early postoperative pain catastrophizing is associated with PS one year after TKA. Methods: We evaluated 254 knees in 254 patients undergoing TKA, assessing the Pain Catastrophizing Scale (PCS) and visual analogue scale (VAS) one day before, as well as one, three, and seven days after TKA. The 2011 Knee Society Score (KSS) was assessed preoperatively and one year postoperatively. Based on PS scores in the KSS, patients were classified into satisfaction (PS > 20) and dissatisfaction (PS ≤ 20) groups. PCS and VAS scores were compared between groups using the Mann-Whitney U test. Spearman's rank correlation coefficient and multiple regression analysis were used to evaluate relationships among factors. Results: Mean PCS scores were 22.8 (SD 12.6), 21.9 (SD 12.2), 18.3 (SD 10.8), and 15.2 (SD 10.5) one day before, as well as one, three, and seven days after TKA, respectively. PCS scores seven days after TKA were negatively correlated with patient satisfaction one year after TKA (ρ = -0.32, p < 0.001). The dissatisfaction group had significantly higher PCS scores at all postoperative timepoints (p = 0.010, p < 0.001, and p < 0.001, respectively.). There were no significant differences in VAS scores between groups at any timepoint. Multiple regression analysis revealed that the PCS score seven days after TKA was significantly associated with PS ( Conclusion: Patients who were dissatisfied with TKA outcomes persistently exhibited high PCS scores immediately after surgery. Surgeons should consider not only preoperative PCS and VAS scores, but also postoperative PCS scores in order to enhance postoperative patient satisfaction following TKA.
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