Peer-reviewed Articles - General

3 citations
623 downloads
1,899 views

Parameter estimates from commonly used multivariable parametric survival regression models do not directly quantify differences in years of life expectancy. Gaussian linear regression models give results in terms of absolute mean differences, but are not appropriate...

["Mathematical Biology","Epidemiology","Statistics"]
doi:10.7717/peerj.1162
5 citations
473 downloads
1,598 views

Background and Objectives. The best method for diagnosing tuberculous pleurisy (TP) remains controversial. Since a growing number of publications focus on the interferon-gamma release assay (IGRA), we meta-analyzed the available evidence on the overall diagnostic...

["Epidemiology","Health Policy","Respiratory Medicine","Statistics"]
doi:10.7717/peerj.951
8 citations
196 downloads
1,096 views

Background. Recurrent pain is a common experience in childhood, but only few children with recurrent pain attend a physician. Previous studies yielded conflicting findings with regard to predictors of health care utilization in children with recurrent pain.Methods....

["Epidemiology","Pediatrics","Psychiatry and Psychology","Public Health","Statistics"]
doi:10.7717/peerj.916
10 citations
1,433 downloads
16,765 views

The level of atmospheric oxygen, a driver of free radical damage and tumorigenesis, decreases sharply with rising elevation. To understand whether ambient oxygen plays a role in human carcinogenesis, we characterized age-adjusted cancer incidence (compiled by the...

["Epidemiology","Oncology","Public Health","Respiratory Medicine","Statistics"]
doi:10.7717/peerj.705
3 citations
560 downloads
1,444 views

Objectives. To measure inter-rater agreement of overall clinical appearance of febrile children aged less than 24 months and to compare methods for doing so.Study Design and Setting. We performed an observational study of inter-rater reliability of the assessment...

["Emergency and Critical Care","Epidemiology","Evidence Based Medicine","Pediatrics","Statistics"]
doi:10.7717/peerj.651
1,383 downloads
1,526 views

Longitudinal data with binary repeated responses are now widespread among clinical studies and standard statistical analysis methods have become inadequate in the answering of clinical hypotheses. Instead of such conventional approaches, statisticians have started...

["Anesthesiology and Pain Management","Epidemiology","Statistics"]
doi:10.7717/peerj.648
7 citations
1,186 downloads
12,325 views

Scatterplots are the most common way for statisticians, scientists, and the public to visually detect relationships between measured variables. At the same time, and despite widely publicized controversy, P-values remain the most commonly used measure to statistically...

["Epidemiology","Human-Computer Interaction","Science Policy","Science and Medical Education","Statistics"]
doi:10.7717/peerj.589
1 citation
233 downloads
1,083 views

Background. A number of studies have shown that the black population exhibits higher levels of leisure-time physical inactivity (LTPI), but few have investigated the factors associated with this behavior.Objective. The aim of this study was to analyze associated...

["Epidemiology","Global Health","Public Health","Statistics"]
doi:10.7717/peerj.577
4 citations
560 downloads
1,696 views

Background. Attrition is a major cause of potential bias in longitudinal studies and clinical trials. Attrition rate above 20% raises concern of the reliability of the results. Few studies have looked at the factors behind attrition in follow-ups spanning decades.Methods....

["Cognitive Disorders","Epidemiology","Pediatrics","Public Health","Statistics"]
doi:10.7717/peerj.480
2 citations
794 downloads
1,150 views

The maximum likelihood estimation (MLE) method, typically used for polytomous logistic regression, is prone to bias due to both misclassification in outcome and contamination in the design matrix. Hence, robust estimators are needed. In this study, we propose such...

["Epidemiology","Statistics"]
doi:10.7717/peerj.467
4 citations
421 downloads
1,604 views

Background. Longitudinal investigations into the origins of adult essential hypertension have found elevated blood pressure in children to accurately track into adulthood, however the direct causes of essential hypertension in adolescence and adulthood remains...

["Epidemiology","Global Health","Pediatrics","Public Health","Statistics"]
doi:10.7717/peerj.381
17 citations
5,900 downloads
24,593 views

Overview. The Centers for Disease Control and Prevention (CDC) health-related quality of life (HRQoL) indicators are widely used in the general population to determine the burden of disease, identify health needs, and direct public health policy. These indicators...

["Epidemiology","Infectious Diseases","Statistics"]
doi:10.7717/peerj.322
24 citations
1,789 downloads
2,845 views

Several clinical scoring systems for diagnosis of bovine respiratory disease (BRD) in calves have been proposed. However, such systems were based on subjective judgment, rather than statistical methods, to weight scores. Data from a pair-matched case-control study...

["Veterinary Medicine","Epidemiology","Statistics"]
doi:10.7717/peerj.238
633 downloads
2,266 views

Background. Propensity score usage seems to be growing in popularity leading researchers to question the possible role of propensity scores in prediction modeling, despite the lack of a theoretical rationale. It is suspected that such requests are due to the lack...

["Epidemiology","Evidence Based Medicine","Science and Medical Education","Statistics"]
doi:10.7717/peerj.123

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