Derivation and validation of the Systemic Lupus International Collaborating Clinics classification criteria for systemic lupus erythematosus

…, MH Weisman, G McGwin Jr, LS Magder - Arthritis & …, 2012 - Wiley Online Library
Objective The Systemic Lupus International Collaborating Clinics (SLICC) group revised
and validated the American College of Rheumatology (ACR) systemic lupus erythematosus (…

The role of parenteral antischistosomal therapy in the spread of hepatitis C virus in Egypt

…, GT Strickland, D Lavanchy, RR Arthur, LS Magder… - The Lancet, 2000 - thelancet.com
Laurence S Magder provided statistical guidance throughout design and writing of the
paper. Taha El Khoby provided access to the MOH files on antischistosomal treatment and was …

Damage in systemic lupus erythematosus and its association with corticosteroids

…, SG Barr, LS Magder… - Arthritis & Rheumatism …, 2000 - Wiley Online Library
Objective To evaluate the association between corticosteroid use and organ damage in
patients with systemic lupus erythematosus (SLE). Methods The occurrence and date of organ …

The impact of increased lupus activity on obstetric outcomes

MEB Clowse, LS Magder, F Witter… - Arthritis & Rheumatism …, 2005 - Wiley Online Library
Objective Systemic lupus erythematosus is associated with multiple adverse pregnancy
outcomes. We examined the impact of disease activity on spontaneous abortions, perinatal …

Predictors of survival in systemic lupus erythematosus

N Kasitanon, LS Magder, M Petri - Medicine, 2006 - journals.lww.com
We conducted the current study to determine the impact of demographic factors, household
income, clinical manifestations, disease activity, serologic tests, and calendar year on …

Identifying children at high risk for a child maltreatment report

…, MM Black, C Weisbart, J Semiatin, LS Magder - Child abuse & …, 2011 - Elsevier
OBJECTIVE: To help professionals identify factors that place families at risk for future child
maltreatment, to facilitate necessary services and to potentially help prevent abuse and …

Hepatitis C virus infection in a community in the Nile Delta: risk factors for seropositivity

…, LS Magder, M Abdel-Hamid, F Gamil, S Madkour… - Hepatology, 2001 - Elsevier
The purpose of this study was to identify risk factors for hepatitis C virus (HCV) infection in a
rural village in the Nile Delta with a high prevalence of antibodies to HCV (anti-HCV). One …

Incidence of and risk factors for adverse cardiovascular events among patients with systemic lupus erythematosus

LS Magder, M Petri - American journal of epidemiology, 2012 - academic.oup.com
Patients with systemic lupus erythematosus (SLE) are at excess risk of cardiovascular
events (CVEs). There is uncertainty regarding the relative importance of SLE disease activity, …

An assessment of the independent effects of olanzapine and risperidone exposure on the risk of hyperlipidemia in schizophrenic patients

…, JL Gilbert, S Weiss, LS Magder… - Archives of general …, 2002 - jamanetwork.com
Background The newer antipsychotic agents exhibit a superior safety profile compared with
conventional antipsychotic agents in terms of extrapyramidal symptoms. Previous studies …

Logistic regression when the outcome is measured with uncertainty

LS Magder, JP Hughes - American journal of epidemiology, 1997 - academic.oup.com
In epidemiologic research, logistic regression is often used to estimate the odds of some
outcome of interest as a function of predictors. However, in some datasets, the outcome of …