Topic
Intra-rater reliability
About: Intra-rater reliability is a research topic. Over the lifetime, 2073 publications have been published within this topic receiving 140968 citations.
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TL;DR: The results show that the pressure threshold meter is highly reliable in measuring trigger point sensitivity, between and within experimenters, and may be useful in the diagnosis and monitoring of treatment of myofascial pain syndrome.
Abstract: This study was designed to establish the intra-rater and inter-rater reliability of measurements of trigger point sensitivity using a commercially available pressure threshold meter. Fifty healthy adult volunteers (25 men and 25 women, aged 20 to 51 years) underwent repeated pressure threshold readings from two separate trigger point locations in the trapezius muscle, TP2 (left) and TP3 (right) by two independent examiners. Pressure threshold readings, using a 1.0 kg/s application, were done alternately by each experimenter. Measurements from each trigger point were completed 5 minutes apart. Intraclass correlation coefficients (ICC) revealed the inter-rater reliability to be high for both the first (ICC = 0.82) and second trial (ICC = 0.90) of TP2 and for the first (ICC = 0.86) and second trial (ICC = 0.92) of TP3. Intra-rater reliabilities for TP3 (ICC = 0.91) were higher than for TP2 (ICC1 = 0.80; (ICC2 = 0.83). These results show that the pressure threshold meter is highly reliable in measuring trigger point sensitivity, between and within experimenters, and may be useful in the diagnosis and monitoring of treatment of myofascial pain syndrome.
81 citations
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TL;DR: The measurement of shoulder movements using a standardised protocol by rheumatologists produced variable intrarater and interrater reliability, and reasonable reliability was obtained only for the movement of hand behind back and total shoulder flexion.
Abstract: Objective: To assess the intrarater and interrater reliability among rheumatologists of a standardised protocol for measurement of shoulder movements using a gravity inclinometer. Methods: After instruction, six rheumatologists independently assessed eight movements of the shoulder, including total and glenohumeral flexion, total and glenohumeral abduction, external rotation in neutral and in abduction, internal rotation in abduction and hand behind back, in random order in six patients with shoulder pain and stiffness according to a 6×6 Latin square design using a standardised protocol. These assessments were then repeated. Analysis of variance was used to partition total variability into components of variance in order to calculate intraclass correlation coefficients (ICCs). Results: The intrarater and interrater reliability of different shoulder movements varied widely. The movement of hand behind back and total shoulder flexion yielded the highest ICC scores for both intrarater reliability (0.91 and 0.83, respectively) and interrater reliability (0.80 and 0.72, respectively). Low ICC scores were found for the movements of glenohumeral abduction, external rotation in abduction, and internal rotation in abduction (intrarater ICCs 0.35, 0.43, and 0.32, respectively), and external rotation in neutral, external rotation in abduction, and internal rotation in abduction (interrater ICCs 0.29, 0.11, and 0.06, respectively). Conclusions: The measurement of shoulder movements using a standardised protocol by rheumatologists produced variable intrarater and interrater reliability. Reasonable reliability was obtained only for the movement of hand behind back and total shoulder flexion.
81 citations
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TL;DR: The reliability of the wheelchair circuit was good, and more research is needed to assess test validity and responsiveness.
81 citations
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TL;DR: In this article, the intra-and interrater reliability of ischemic lesion volumes measurements assessed by different MRI sequences at various times from onset was investigated by using diffusion-weighted (DWI), mean transit time (MTT) perfusion and fluidattenuated inversion recovery (FLAIR) MRI at chronic (>3 days from stroke onset) time points.
Abstract: Background and Purpose— We investigated the intra- and interrater reliability of ischemic lesion volumes measurements assessed by different MRI sequences at various times from onset. Methods— Ischemic lesion volumes were measured for intrarater reliability using diffusion-weighted (DWI), mean transit time (MTT) perfusion and fluid-attenuated inversion recovery (FLAIR) MRI at chronic (>3 days from stroke onset) time points. A single intrarater reader, blind to clinical information and time point, repeated the volume measurements on two occasions separated by at least 1 week. Interrater reliability was also obtained in the second set of patients using acute DWI, MTT and chronic FLAIR MRI. Four blinded readers performed these volume measurements. Average deviations across repeat measurements per lesion and differences between sample means between the two measurements were calculated globally, ie, across all sequences and time points, and per reader type for each sequence at each time point. Results— There wa...
80 citations