Journal
JOURNAL OF CLINICAL EPIDEMIOLOGY
Volume 101, Issue -, Pages 28-34Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jclinepi.2018.05.014
Keywords
Methodology; Clinical trials; Description; Intervention
Funding
- CAPES (Coordination for the Improvement of Higher Education Personnel), Ministry of Education, Brazil
- CNPq (National Council for Scientific and Technological Development), Ministry of Science and Technology, Brazil
- National Health and Medical Research Council, Australia
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Objective: The aim of this study was to construct and evaluate a summary score of reporting completeness based on the Template for Intervention Description and Replication (TIDieR). Study Design and Setting: We included 200 reports published in 2013 randomly selected from the Physiotherapy Evidence Database. We summed the scores for the 12 items for the intervention and control groups for each trial to create a summary score from 0 to 24. Rasch analysis was used to investigate the item hierarchy, category function and reliability of the TIDieR checklist and determine the extent to which the summary score can be considered an interval-level measure. Results: The data fit the Rasch model suggesting the summary score is able to assess the completeness of reporting. The items appeared to target the study sample well (average report measure was 0.48 [0.87] compared to the average item measure of 0.0 [1.82]), and progressed in a logical manner, suggesting the summary score can be used as a single variable. The low internal consistency (0.62) suggests the summary score may only be able to discriminate between the least and most detailed reports. Conclusions: Our results support the use of the TIDieR summary score; however, we encourage the replication of our study in an independent data set. (C) 2018 Elsevier Inc. All rights reserved.
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