Diagnostische Wertigkeit qualitativer Dopplersonographie in der Schwangerenüberwachung

Harms, P.; Kurz, C; Wosniok, Werner

doi:10.1007/978-3-642-76124-9_354

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(7) Computing M Ean1

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1992

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“…A complete cycle begins at point Sn and ends at the next S point (S"+i). (2), (6). (7) Note: the equation is also valid for negative MEAN values.…”

Section: (7) Computing M Eanmentioning

confidence: 99%

See 1 more Smart Citation

Clinical Assessment of Fetal Blood Flow Velocimetry

Kurz

Wosniok²,

Harms³

1992

Gynäkol Geburtshilfliche Rundsch

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A statistical procedure is presented to analyze the relation between Doppler indices (DIs) such as pulsatility index (PI), resistance index (RI), A/B and clinical data of pregnancy and fetal outcome of three groups: (1) uncomplicated pregnancy, eutrophic fetus (NF), (2) pregnancy-induced hypertension (PIH), and (3) pregnancy and delivery of a dystrophic fetus (IUGR), and the acidity classes according to Saling, respectively. Proceeding and mathematical requirements as well as the possibilities to validate the methodology are introduced, and an application to previously published data is presented. By multivariate analysis of the data a fair prognosis of NF, PIH and IUGR was possible. The variability inherent to the data sampling requires a mathematical postprocessing in the framework of an adequate model before any clinical conclusions can be derived from DIs.

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“…A complete cycle begins at point Sn and ends at the next S point (S"+i). (2), (6). (7) Note: the equation is also valid for negative MEAN values.…”

Section: (7) Computing M Eanmentioning

confidence: 99%

“…Finally the comparison of group means (or groupspecific confidence regions) does not extract all the infor mation relevant to clinical usefulness in the data. This article presents a different approach to assess the clinical value of FBFV, illustrated by an application to the clinical data of Harms et al [6],…”

Section: Introductionmentioning

confidence: 99%