Dataset Information

Reliability and Validity of the English Version of the AOSpine PROST (Patient Reported Outcome Spine Trauma).

ABSTRACT: STUDY DESIGN:Multicenter validation study. OBJECTIVE:The aim of this study was to translate and adapt the AOSpine PROST (Patient Reported Outcome Spine Trauma) into English, and test its psychometric properties among North-American spine trauma patients. SUMMARY OF BACKGROUND DATA:In the absence of an outcome instrument specifically designed and validated for traumatic spinal column injury patients, it is difficult to measure the effect size of various treatment options. The AOSpine Knowledge Forum Trauma initiated a project and developed the AOSpine PROST consisting of 19 items. METHODS:Patients were recruited from two level-1 North-American trauma centers. For concurrent validity, next to AOSpine PROST also 36-item Short-Form Health Survey (SF-36) was filled out by patients. Patient characteristics were analyzed using descriptive statistics. Floor and ceiling effects as well as the number of inapplicable and missing questions were analyzed for content validity. Cronbach ? and item-total correlation coefficients (ITCCs) were calculated for internal consistency. Spearman correlation tests were performed within AOSpine PROST items and in correlation to SF-36. Test-retest reliability was assessed using intraclass correlation coefficients (ICCs). Factor analysis was performed to explore any dimensions within AOSpine PROST. RESULTS:The AOSpine PROST was translated adapted into English using established guidelines. Of 196 enrolled patients, 162 (82.7%) met the inclusion criteria and provided sufficient data. Content validity showed good results, and no floor and ceiling effects were seen. The internal consistency was excellent (Cronbach ? = 0.97; ITCC 0.50-0.90) as well as test-retest reliability (ICC?=?0.97). Spearman correlations were good (0.29-0.85). The strongest correlations of AOSpine PROST with SF-36 were seen with the physical components (0.69-0.82; P?1), explaining 75.7% of variance. CONCLUSION:The English version of AOSpine PROST showed very good validity and reliability. It is considered as a valuable tool, and has the potential to contribute to the reduction of ongoing controversies in spine trauma care. LEVEL OF EVIDENCE:2.

SUBMITTER: Sadiqi S

PROVIDER: S-EPMC7439930 | biostudies-literature | 2020 Sep

REPOSITORIES: biostudies-literature

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Reliability and Validity of the English Version of the AOSpine PROST (Patient Reported Outcome Spine Trauma).

Sadiqi Said S Dvorak Marcel F MF Vaccaro Alexander R AR Schroeder Gregory D GD Post Marcel W MW Benneker Lorin M LM Kandziora Frank F Rajasekaran S S Schnake Klaus J KJ Vialle Emiliano N EN Oner F Cumhur FC

Spine 20200901 17

<h4>Study design</h4>Multicenter validation study.<h4>Objective</h4>The aim of this study was to translate and adapt the AOSpine PROST (Patient Reported Outcome Spine Trauma) into English, and test its psychometric properties among North-American spine trauma patients.<h4>Summary of background data</h4>In the absence of an outcome instrument specifically designed and validated for traumatic spinal column injury patients, it is difficult to measure the effect size of various treatment options. Th ...[more]

PMID: 32355148

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Project description:ObjectivesTo assess the reliability, validity, and responsiveness of InFLUenza Patient-Reported Outcome (FLU-PRO©) scores for quantifying the presence and severity of influenza symptoms.MethodsAn observational prospective cohort study of adults (≥18 years) with influenza-like illness in the United States, the United Kingdom, Mexico, and South America was conducted. Participants completed the 37-item draft FLU-PRO daily for up to 14 days. Item-level and factor analyses were used to remove items and determine factor structure. Reliability of the final tool was estimated using Cronbach α and intraclass correlation coefficients (2-day reliability). Convergent and known-groups validity and responsiveness were assessed using global assessments of influenza severity and return to usual health.ResultsOf the 536 patients enrolled, 221 influenza-positive subjects comprised the analytical sample. The mean age of the patients was 40.7 years, 60.2% were women, and 59.7% were white. The final 32-item measure has six factors/domains (nose, throat, eyes, chest/respiratory, gastrointestinal, and body/systemic), with a higher order factor representing symptom severity overall (comparative fit index = 0.92; root mean square error of approximation = 0.06). Cronbach α was high (total = 0.92; domain range = 0.71-0.87); test-retest reliability (intraclass correlation coefficient, day 1-day 2) was 0.83 for total scores and 0.57 to 0.79 for domains. Day 1 FLU-PRO domain and total scores were moderately to highly correlated (≥0.30) with Patient Global Rating of Flu Severity (except nose and throat). Consistent with known-groups validity, scores differentiated severity groups on the basis of global rating (total: F = 57.2, P < 0.001; domains: F = 8.9-67.5, P < 0.001). Subjects reporting return to usual health showed significantly greater (P < 0.05) FLU-PRO score improvement by day 7 than did those who did not, suggesting score responsiveness.ConclusionsResults suggest that FLU-PRO scores are reliable, valid, and responsive to change in influenza-positive adults.

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Dataset Information

Reliability and Validity of the English Version of the AOSpine PROST (Patient Reported Outcome Spine Trauma).

Publications

Reliability and Validity of the English Version of the AOSpine PROST (Patient Reported Outcome Spine Trauma).

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