J J Koval
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Explore the profile of J J Koval including associated specialties, affiliations and a list of published articles.
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54
Citations
489
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Recent Articles
1.
McLay K, Nederveen J, Koval J, Paterson D, Murias J
Clin Physiol Funct Imaging
. 2017 Aug;
38(4):663-669.
PMID: 28804951
Flow-mediated dilation (FMD) is calculated as the greatest percent change in arterial diameter following an ischaemic challenge. This Traditional %FMD calculation is thought to have statistical bias towards baseline diameter...
2.
Macdonald E, Natale R, Regnault T, Koval J, Campbell M
Placenta
. 2014 Jun;
35(8):582-6.
PMID: 24909371
Introduction: To elucidate how obstetric conditions are associated with atypical placental weight ratios (PWR)s in infants born: (a) ≥37 weeks gestation; (b) at ≥33 but <37 weeks gestation; and (c)...
3.
Thomas S, Lam N, Welk B, Nguan C, Huang A, Nash D, et al.
Am J Transplant
. 2013 Oct;
13(11):2935-44.
PMID: 24102981
A kidney stone in a person with a solitary kidney requires urgent attention, which may result in surgical and/or hospital attention. We conducted a matched retrospective cohort study to determine...
4.
Macnab J, Koval J, Speechley K, Campbell M
Chronic Dis Can
. 2005 Aug;
26(1):1-8.
PMID: 16117839
This paper highlights the impact of survey weights on model fit in multiple linear regression with specific reference to the National Longitudinal Survey of Children and Youth (NLSCY) and provides...
5.
Stephens T, Pederson L, Koval J, Macnab J
Tob Control
. 2001 Dec;
10(4):317-22.
PMID: 11740021
Objective: To examine the associations of cigarette prices, restrictions on public smoking, and health education with the odds of adult smoking and amount smoked daily. Design: Multi-level analysis of adult...
6.
Amara C, Koval J, Paterson D, Cunningham D
Ann Hum Biol
. 2001 Sep;
28(5):522-36.
PMID: 11572518
An allometric model was used to determine the important factors related to the decline in forced expiratory volume (FEV1.0) across ages 55-86 years in independently living men and women. Measurements...
7.
Petrella R, Koval J, Cunningham D, Paterson D
J Am Geriatr Soc
. 2001 Jun;
49(5):632-8.
PMID: 11380757
Objectives: To study the potential usefulness of a submaximal self-paced step test as a prediction of maximal aerobic capacity (VO2max) in older adults in the primary care setting. Design: Data...
8.
Amara C, Koval J, Johnson P, Paterson D, Winter E, Cunningham D
Exp Physiol
. 2001 Feb;
85(6):877-86.
PMID: 11187983
The purpose of this study was to use an allometric model (maximal oxygen uptake (VO2,max) = FFMbeta1 x PAbeta2 x exp(beta0 + beta3 age + beta4 sex) x epsilon) to...
9.
Johnson P, Winter E, Paterson D, Koval J, Nevill A, Cunningham D
Exp Physiol
. 2001 Feb;
85(2):219-25.
PMID: 10751519
The purpose of this study was to describe the influence of body size and sex on the decline in maximum oxygen uptake (O2,max) in older men and women. A stratified...
10.
Tyas S, Pederson L, Koval J
Ann Epidemiol
. 2000 Oct;
10(7):409-16.
PMID: 11018343
Purpose: To determine whether smoking is associated with Alzheimer's disease (AD). Methods: Analyses were conducted using three Canadian data sets: the University of Western Ontario Dementia Study (200 cases, 163...