Review articleJuvenile Idiopathic Arthritis of Peripheral Joints: Quality of Reporting of Diagnostic Accuracy of Conventional MRI1
Section snippets
Data Sources and Search
An electronic search of the literature was performed by three investigators (E.M., E.U., A.S.D.), who identified studies in which the authors reported the diagnostic accuracy of MRI for the assessment of JIA. Medline (January 1966 to June 2008), EMBASE (January 1980 to June 2008), the Database of Abstracts of Reviews of Effects of the National Health Service Center for Reviews and Dissemination, and the Cochrane Library were searched through OVID using a validated search strategy (8) that
Search and Selection
We retrieved 1,782 citations; 18 studies were found to be eligible for this systematic review (Fig 1). Reasons for the exclusion of papers included a lack of information on conversion criteria for MRI 15, 16, pictorial essays 17, 18, review articles (5), a lack of correlation with MRI 19, 20, and axially located joint disease 21, 22, 23, 24. Table 1 shows the demographic characteristic of patients and MRI clinimetric properties of the selected articles. Details on methodologic design according
Discussion
The results of this review indicate that diagnostic test standards were fairly fulfilled in studies of the validity, reliability, and responsiveness of MRI in JIA.
Ideally, more clarity in the description of research designs is desirable in upcoming studies. Suggestions to improve the methodologic report of studies include the use of the medical subject terms “sensitivity,” “specificity,” or “positive [or negative] likelihood [or predictive value]” and the use of ROC curves as a measure of
Glossary
QUADAS (Quality Assessment of Diagnostic Accuracy Studies)(12): A scoring system developed in an attempt to produce standards for reporting evaluations of diagnostic tests (55).
Reliability: Obtaining the same result when a phenomenon is measured by the same clinician or by different clinicians on the same occasion or on different occasions (56).
Responsiveness: The ability of a scale to detect change in outcomes when change is present (sensitivity to change) 57, 58.
STARD (Standards for Reporting
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