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Pediatric spinal co...
Pediatric spinal cord injury in Sweden; how to identify a cohort of rare events.
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- Augutis, M (author)
- Karolinska Institutet
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- Malker, H (author)
- Mid Sweden Research and Development Center, Vasternorrland County Council, Sundsvall, Sweden
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- Richard, Levi, 1958- (author)
- Karolinska Institute and Frosunda Center, Stockholm, Sweden
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(creator_code:org_t)
- 2003-05-13
- 2003
- English.
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In: Spinal Cord. - : Springer Science and Business Media LLC. - 1362-4393 .- 1476-5624. ; 41:6, s. 337-46
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Abstract
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- STUDY DESIGN: Register study enhanced and verified by medical records and personal interviews and examinations.SETTINGS: Sweden.OBJECTIVES: To define a method of identifying a study population of rare events. To point out the relative importance of every step, an example is given of identifying persons who sustained traumatic spinal cord injury (SCI) in childhood.METHODS: Cases were identified in seven steps that all needed to be fulfilled, from definition of selection criteria through combination of several data sources, to the use of several verification methods.RESULTS: Initial screening by registers identified 384 possible cases, which however were found by subsequent analysis to include a large number of incorrect cases. At completion of all analytic steps, 35 living cases could be fully verified and 14 deceased cases could be partially verified.CONCLUSIONS: Registers offer a practical initial source for study population identification. The screening of International Classification of Diseases codes defining SCI only included less than 30% of 'true' SCIs. Subsequently, further refinement and quality control is necessary in order to ensure validity. Such further verification is time-consuming, but nevertheless necessary in order to verify a true cohort.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Neurologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Neurology (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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