Journal ArticleDOI
The reliability of clinical methods, data and judgments (second of two parts).
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This article is published in The New England Journal of Medicine.The article was published on 1975-10-02. It has received 321 citations till now. The article focuses on the topics: Reliability (statistics).read more
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Questionnaire on the perceptions of patients about total hip replacement
TL;DR: In this article, a 12-item questionnaire for patients having a total knee replacement (TKR) was developed and a prospective study of 117 patients before operation and at follow-up six months later, asking them to complete the new questionnaire and the form SF36.
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Individual-patient monitoring in clinical practice: are available health status surveys adequate?
TL;DR: The most problematic feature of the five surveys was their lack of precision for individual-patient applications, and across all scales, reliability standards for individual assessment and monitoring were not satisfied, and the 95% Cls were very wide.
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Reliability of Nominal Data Based on Qualitative Judgments
TL;DR: In contrast, little attention has been given to the quality of nominal sca... as mentioned in this paper, while most research related to the reliability and validity of marketing measures has focused on multi-item quantitative scales.
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The quantitative analysis of mammographic densities
TL;DR: An interactive thresholding technique applied to digitized film-screen mammograms, which assesses the proportion of the mammographic image representing radiographically dense tissue, which may have a role in routine mammographic analysis for the purpose of assessing risk categories and as a tool in studies of the etiology of breast cancer.
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Analysis of interinstitutional observer agreement in interpretation of dobutamine stress echocardiograms
Rainer Hoffmann,Harald Lethen,Thomas H. Marwick,Mariarosaria Arnese,Paolo M. Fioretti,Alessandro Pingitore,Eugenio Picano,Thomas Buck,Raimund Erbel,Frank A. Flachskampf,Peter Hanrath +10 more
TL;DR: Heterogeneity in data acquisition and assessment criteria among different centers results in low interinstitutional agreement in interpretation of stress echocardiograms, which is higher in patients with no or advanced coronary artery disease and substantially lower in those with limited eChocardiographic image quality.
References
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Some effects of within-person variability in epidemiological studies
M.J. Gardner,J.A. Heady +1 more
TL;DR: This paper presents a method for predicting how much change can be expected from regression, and thus a means of estimating the treatment effect, based on measures of within-person and between-person variability.
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Observers' errors in taking medical histories
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Chest Pain Questionnaire
TL;DR: Your duty of disclosure Before entering into a life insurance contract, you must be told anything that each of you as the proposed policy owner and the life to be insured knows, or could reasonably be expected to know, that may affect your decision to provide the insurance and on what terms.
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Observer variation in reports on electrocardiograms.
TL;DR: Not only has observer variation been found, but its extent was surprising and it has been possible to identify many of its causes, and the practical significance of this variation will be discussed in the belief that it may often contribute to diagnostic errors.