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Establishing the Patient Acceptable Symptom State Thresholds for Patient-Reported Outcomes after Operatively Treated Tibial Plateau Fractures. | LitMetric

AI Article Synopsis

  • The study aims to establish patient-acceptable symptom state (PASS) thresholds for physical function and pain in patients who had tibial plateau fractures treated operatively, focusing on factors influencing these thresholds.
  • Conducted at a Level I trauma center, the research involved 159 patients treated between 2016 and 2021, who filled out patient-reported outcome measures over at least one year.
  • Results indicated that 60% were satisfied with their overall outcome; various methods calculated PASS thresholds for global outcome, pain, and function, revealing younger patients or those with specific fracture types had significantly different PASS-Pain thresholds.

Article Abstract

Objectives: Define patient-acceptable symptom state (PASS) thresholds and factors affecting PASS thresholds for Patient-Reported Outcomes Measurement Information System (PROMIS) Physical Function (PF) and Knee Injury and Osteoarthritis Outcome Score (KOOS) following operatively treated tibial plateau fractures.

Design: Retrospective cohort.

Setting: Single Level I academic trauma center.

Patient Selection Criteria: All patients (n = 159) who underwent fixation of a tibial plateau fracture from 2016 to 2021 and completed patient-reported outcome measures (PROMs) at minimum 1-year follow-up were enrolled for the study.

Outcome Measures And Comparisons: PASS thresholds for global outcome (PASS-Global), pain (PASS-Pain), and function (PASS-Function) were determined using anchor-based questions such as "How satisfied are you today with your injured lower extremity?" with answer choices of very satisfied, satisfied, neutral, unsatisfied, and very unsatisfied. PASS thresholds for each PROM were calculated using 3 methods: (1) 80% specificity, (2) 75th percentile, and (3) Youden Index.

Results: Sixty percent of patients were satisfied with their global outcome and 53% with function. Using 80% specificity, 75th percentile, and Youden Index, PASS-Global thresholds were 48.5, 44.5, and 47.9 for PROMIS-PF and 56.3, 56.2, and 56.3 for KOOS-QOL, respectively. PASS-Pain threshold for KOOS-Pain was 84.4, 80.6, and 80.6, respectively. PASS-Function thresholds were 48.9, 46.8, and 48 for PROMIS-PF and 94.1, 90.2, and 86.8 for KOOS-ADL, respectively. Younger patients and those with bicondylar fractures or infections were associated with significantly lower PASS-Pain thresholds. Schatzker II fractures, lateral column involvement, or isolated lateral approach resulted in significantly higher PASS-Global and PASS-Function thresholds.

Conclusions: This study defines global, functional, and pain PASS thresholds for tibial plateau fractures. Patients with bicondylar fractures, infections, and medial column involvement were more often unsatisfied. These thresholds are valuable references to identify patients who have attained satisfactory outcomes and to counsel patients with risk factors for unsatisfactory outcomes following tibial plateau fractures.

Level Of Evidence: Prognostic Level III. See Instructions for Authors for a complete description of levels of evidence.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11330326PMC
http://dx.doi.org/10.1097/BOT.0000000000002750DOI Listing

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