Bone mineral density in estrogen-deficient young women

VB Popat, KA Calis, VH Vanderhoof… - The Journal of …, 2009 - academic.oup.com
Context: Osteoporosis primarily affects postmenopausal women. However, young women
with estrogen deficiency also are at increased risk for low bone density. Objective: The aim …

Adjusting for covariates in studies of diagnostic, screening, or prognostic markers: an old concept in a new setting

H Janes, MS Pepe - American journal of epidemiology, 2008 - academic.oup.com
The concept of covariate adjustment is well established in therapeutic and etiologic studies.
However, it has received little attention in the growing area of medical research devoted to …

Accommodating covariates in receiver operating characteristic analysis

H Janes, G Longton, MS Pepe - The Stata Journal, 2009 - journals.sagepub.com
Classification accuracy is the ability of a marker or diagnostic test to discriminate between
two groups of individuals, cases and controls, and is commonly summarized by using the …

Matching in studies of classification accuracy: implications for analysis, efficiency, and assessment of incremental value

H Janes, MS Pepe - Biometrics, 2008 - academic.oup.com
In case–control studies evaluating the classification accuracy of a marker, controls are often
matched to cases with respect to factors associated with the marker and disease status. In …

A parametric roc model-based approach for evaluating the predictiveness of continuous markers in case–control studies

Y Huang, MS Pepe - Biometrics, 2009 - academic.oup.com
The predictiveness curve shows the population distribution of risk endowed by a marker or
risk prediction model. It provides a means for assessing the model's capacity for stratifying …

Biomarker evaluation and comparison using the controls as a reference population

Y Huang, MS Pepe - Biostatistics, 2009 - academic.oup.com
The classification accuracy of a continuous marker is typically evaluated with the receiver
operating characteristic (ROC) curve. In this paper, we study an alternative conceptual …

Influence of lesion ratio on diagnostic performance of in-phase/opposed-phase imaging and apparent diffusion coefficient for differentiating acute benign vertebral …

F Lin, Y Lei, Y Li - Chinese medical journal, 2009 - mednexus.org
Background The usefulness of in-phase/opposed-phase imaging and diffusion weighted
imaging (DWI) in differentiating benign and neoplastic vertebral fractures has been …

Accommodating covariates in ROC analysis

H Janes, GM Longton, M Pepe - 2008 - biostats.bepress.com
Classification accuracy is the ability of a marker or diagnostic test to discriminate between
two groups of individuals, cases and controls, and is commonly summarized using the …

A Statistical Appraisal of Biomarker Selection Methods Applicable to HIV/AIDS Research

BJ Pierre-Louis, CM Suchindran, PL Chen, SR Cole… - Handbook of …, 2012 - Elsevier
The past decade has seen an explosion in the availability and use of biomarkers data as a
result of innovative discoveries and recent development of new biological and molecular …

Application of Novel Statistical Methods for Biomarker Selection to HIV Infection Data

BJ Pierre-Louis - 2010 - cdr.lib.unc.edu
The past decade has seen an explosion in the availability and use of biomarker data as a
result of innovative discoveries and recent development of new biological and molecular …