John J Koval
Overview
Explore the profile of John J Koval including associated specialties, affiliations and a list of published articles.
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Articles
26
Citations
556
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0
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Recent Articles
1.
Pederson L, Koval J, Vingilis E
Prev Med Rep
. 2023 Jun;
34:102257.
PMID: 37273527
This project examined e-cigarette use among Elementary School (ES) (grades 7 and 8) and Secondary School (SS) (grades 9-12) students in Ontario, Canada, for 2017 and 2019 and relationships with...
2.
Rotondi M, Donner A, Koval J
Res Synth Methods
. 2015 Jun;
3(4):269-84.
PMID: 26053421
A traditional meta-analysis examines the overall effectiveness of an intervention by producing a pooled estimate of treatment efficacy. In contrast to this, a meta-regression model seeks to determine whether a...
3.
Macdonald E, Koval J, Natale R, Regnault T, Campbell M
Int J Pediatr
. 2015 Feb;
2015:181257.
PMID: 25722730
[This corrects the article DOI: 10.1155/2014/291846.].
4.
Garg A, Nevis I, McArthur E, Sontrop J, Koval J, Lam N, et al.
N Engl J Med
. 2014 Nov;
372(2):124-33.
PMID: 25397608
Background: Young women wishing to become living kidney donors frequently ask whether nephrectomy will affect their future pregnancies. Methods: We conducted a retrospective cohort study of living kidney donors involving...
5.
Macdonald E, Koval J, Natale R, Regnault T, Campbell M
Int J Pediatr
. 2014 Jun;
2014:291846.
PMID: 24895497
The placental weight ratio (PWR) is a health indicator that reflects the balance between fetal and placental growth. The PWR is defined as the placental weight divided by the birth...
6.
Thomas S, Lam N, Huang A, Nash D, Prasad G, Knoll G, et al.
Clin Transplant
. 2014 Mar;
28(5):530-9.
PMID: 24579904
Individuals with moderate-to-severe reduced renal function have greater risk of gastrointestinal bleeding than those with normal renal function. We conducted a retrospective matched cohort study to assess whether living kidney...
7.
Horvat L, Cuerden M, Kim S, Koval J, Young A, Garg A
Ann Intern Med
. 2010 Nov;
153(10):641-9.
PMID: 21079219
Background: The kidney is the most common transplanted organ, accounting for almost all living donor transplantations and most deceased donor organ transplantations. The organ shortage has caused policymakers in many...
8.
Juhl A, Busbee J, Koval J, Natarajan L, Tondiglia V, Vaia R, et al.
ACS Nano
. 2010 Oct;
4(10):5953-61.
PMID: 20929238
Layered polymer/nanoparticle composites have been created through the one-step two-beam interference lithographic exposure of a dispersion of 25 and 50 nm silica particles within a photopolymerizable mixture at a wavelength...
9.
Li Y, Koval J, Donner A, Zou G
Stat Med
. 2010 Aug;
29(24):2521-31.
PMID: 20684006
The area (A) under the receiver operating characteristic curve is commonly used to quantify the ability of a biomarker to correctly classify individuals into two populations. However, many markers are...
10.
Bombard J, Pederson L, Koval J, OHegarty M
Addict Behav
. 2009 Aug;
34(12):1069-72.
PMID: 19646820
Current cigarette smoking combined with ever use of other tobacco products (lifetime polytobacco use) is important to examine as users may be at greater risk for illicit drug use, nicotine...