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Roger Marshall

Researcher at University of Auckland

Publications -  124
Citations -  4030

Roger Marshall is an academic researcher from University of Auckland. The author has contributed to research in topics: Population & Cohort study. The author has an hindex of 30, co-authored 121 publications receiving 3677 citations. Previous affiliations of Roger Marshall include University of Leeds.

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The prevalence of fecal incontinence in community-dwelling adults: a systematic review of the literature.

TL;DR: A consensus definition of fecal incontinence is needed that accounts for alterations in quality of life and explores the heterogeneity of study designs and sources of bias that may explain variability in estimates.
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A Review of Methods for the Statistical Analysis of Spatial Patterns of Disease

TL;DR: Methods for the detection and testing for apparent clusters of disease, including those near a possible environmental hazard, are reviewed and statistical analysis of the spatial spread of epidemics is mentioned.
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The use of classification and regression trees in clinical epidemiology.

TL;DR: A critique is presented of the use of tree-based partitioning algorithms to formulate classification rules and identify subgroups from clinical and epidemiological data, and the issue of redundancy in tree-derived decision rules is discussed.
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Cardiovascular disease risk prediction equations in 400 000 primary care patients in New Zealand: a derivation and validation study

TL;DR: A nationally representative cohort in New Zealand was recruited to develop equations relevant to patients in contemporary primary care and the performance of these new equations to equations that are recommended in the USA were compared.