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Estimates of Responsiveness, Minimally Important Differences, and Patient Acceptable Symptom State in Five Patient-Reported Outcomes Measurement Information System Short Forms in Systemic Lupus Erythematosus.

ABSTRACT: OBJECTIVE:Examinations of Patient-Reported Outcomes Measurement Information System (PROMIS) measures in adult systemic lupus erythematosus (SLE) have provided support for their cross-sectional validity in SLE. We estimated responsiveness to change, meaningful changes (minimally important differences [MIDs]), and the patient acceptable symptom state (PASS) for five PROMIS short forms to facilitate longitudinal use and interpretation of PROMIS scales in SLE. METHODS:Data from five administrations of PROMIS short forms in the FORWARD SLE cohorts were used. Pearson correlation coefficients were used to assess associations between changes in PROMIS measures and changes in anchor measures for responsiveness analyses. Worse, same, or better groups were defined for each anchor. Differences in PROMIS scores were calculated for each consecutive PROMIS administration; mean changes in PROMIS scores of individuals in the worse, same, and better groups were calculated. Both anchor-based and distribution-based methods were used to estimate MIDs. PASS was defined as the 75th-percentile positive score among those who considered their health to be acceptable or who were somewhat or very satisfied with their health. RESULTS:All PROMIS short forms showed adequate responsiveness to changes in related patient-reported outcomes. However, only the fatigue and pain interference scales were responsive to self-reported SLE activity. Taking into account all methods, we estimated MIDs for each scale to be approximately two points. All PASS values were better than the population mean T-score of 50. CONCLUSION:These results support use and further study of PROMIS short forms in SLE and should facilitate interpretation of PROMIS scores and changes.

SUBMITTER: Katz P

PROVIDER: S-EPMC6957915 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:PurposeTo contextualize the Forgotten Joint Score (FJS-12) by identifying a patient acceptable symptomatic state (PASS) threshold for patients undergoing hip arthroscopy and to investigate factors which correlated with postoperative FJS-12 score.MethodsAll patients who underwent hip arthroscopy for femoroacetabular impingement (FAI) under the care of a single surgeon between January 2018 and November 2019 were prospectively identified and included. Exclusion criteria were Tönnis classification grade 2 or greater. Data (including FJS-12, EuroQol-5 Dimension-5L [EQ-5D-5L], visual analog scale (VAS), and 12-item International Hip Outcome Tool (iHOT-12) scores) were available before surgery and at a minimum of 1 year after surgery. PASS was calculated using an anchor-based approach and receiver operator characteristic curve analysis. Pearson correlation analysis was used to correlate preoperative and postoperative factors with postoperative FJS-12 score.ResultsSeventy-seven patients (54 female, 23 male; mean age 30.3 years [standard deviation {SD} 8.2]) were included. Linked longitudinal follow-up data were available for 65 patients (84%) at a mean of 23.8 months (SD 6.4). Six patients required reoperation. Mean postoperative FJS-12 score was 46.5 (SD 33.1) and mean change in score was 27.2 (SD 30.6, P < .001). The PASS threshold for the FJS-12 was 38.5 (sensitivity 80%, specificity 88%), and the area under the curve was 0.852 (95% confidence interval 0.752-0.951). Overall, 53.8% of patients achieved this score. Postoperative FJS-12 score has moderate correlations with preoperative EQ-5D-5L, iHOT-12, and FJS-12 scores, and strong correlations with EQ-5D-5L, iHOT-12 and VAS scores after surgery.ConclusionsWe report a postoperative PASS threshold of 38.5 points for the FJS-12 after hip arthroscopy for FAI in a United Kingdom population. This value can act as a quantifiable target for clinicians using the FJS-12 to monitor patient outcomes in practice. FJS-12 has strong correlations with EQ-5D-5L, iHOT-12, and VAS at a minimum 12 months after surgery.Clinical relevanceWe have calculated the patient acceptable symptomatic state of the Forgotten Joint Score to be 38.5 points at short-term follow-up. This can assist clinicians in determining whether surgical interventions related to hip arthroscopy for FAI are meaningful to the patient.

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Estimates of Responsiveness, Minimally Important Differences, and Patient Acceptable Symptom State in Five Patient-Reported Outcomes Measurement Information System Short Forms in Systemic Lupus Erythematosus.

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