1995
DOI: 10.1016/0009-9120(95)02008-x
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Design and representation of multivariate patient-based reference regions for arterial pH, Pco2 and base excess values

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Cited by 6 publications
(3 citation statements)
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“…They are used in fields as diverse as soil geology 8 and medicine. 9 Each point inside the chart, is associated with some unique stochastic vector. For example, a point equidistant from three vertices will be vector 1/3, 1/3, 1/3 , while a point on a vertex will have its coordinate equal to one and the remaining two coordinates equal to zero.…”
Section: Triaxial Chartsmentioning
confidence: 99%
“…They are used in fields as diverse as soil geology 8 and medicine. 9 Each point inside the chart, is associated with some unique stochastic vector. For example, a point equidistant from three vertices will be vector 1/3, 1/3, 1/3 , while a point on a vertex will have its coordinate equal to one and the remaining two coordinates equal to zero.…”
Section: Triaxial Chartsmentioning
confidence: 99%
“…This paper describes a methodology for determining reference regions for electrocardiogram (ECG) data, and in particular for the (RR, QT) values from ‘beat‐to‐beat’ data. There is a sizeable literature in biomedical and clinical research on the determination and application of reference regions for laboratory data obtained from blood samples, mostly in subject‐specific journals (see, for example, 1–5, and references therein). In all of these papers, the data are assumed to be multivariate normal, in which case the standard reference (or tolerance) region is an ellipsoid 6.…”
Section: Introductionmentioning
confidence: 99%
“…Recently, we developed a model that addresses both problems [3]. The model determines a bivariate reference region on the two dimensions as obtained after a mathematical data reduction of a pH, log PaCO2 and log a[HCO3] distribution.…”
Section: Introductionmentioning
confidence: 99%