HIV prevalence and behavioral risk factors in the Sudan People's Liberation Army: Data from South Sudan.

Overview: After two decades of civil war, South Sudan has limited published data on HIV prevalence and behavioral determinants of HIV infection risk. A surge in HIV/AIDS prevalence is a real concern for this new country with limited access to medical or HIV preventive services, and low education and literacy levels. We present findings from the first bio-behavioral surveillance survey conducted within the Sudan People's Liberation Army (SPLA).

PCB remediation in schools: a review.

Growing awareness of polychlorinated biphenyls (PCBs) in legacy caulk and other construction materials of schools has created a need for information on best practices to control human exposures and comply with applicable regulations. A concise review of approaches and techniques for management of building-related PCBs is the focus of this paper. Engineering and administrative controls that block pathways of PCB transport, dilute concentrations of PCBs in indoor air or other exposure media, or establish uses of building space that mitigate exposure can be effective initial responses to identification of PCBs in a building.

Patient outcomes in Lubumbashi, Democratic Republic of Congo after a disruption in HIV care due to decreased global fund appropriations.

This study examines care seeking behaviors, clinical outcomes, and satisfaction with care of HIV-positive adults in Lubumbashi, DRC, one year after a disruption in care due to decreased global fund appropriations. We describe outcomes before and after the disruption. We compared characteristics of those who completed the survey and those who did not using the Wald F test.

Several methods to assess improvement in risk prediction models: extension to survival analysis.

Risk prediction models have been widely applied for the prediction of long-term incidence of disease. Several parameters have been identified and estimators developed to quantify the predictive ability of models and to compare new models with traditional models. These estimators have not generally accounted for censoring in the survival data normally available for fitting the models.

Hemostatic factors and subclinical brain infarction in a community-based sample: the ARIC study.

Background: Previous data are conflicting as to whether imbalance between hemostatic factors is associated with clinical strokes. We evaluated the association between hemostatic factor levels and subclinical lacunar infarcts in a nested sample from a subset of the Atherosclerosis Risk in Communities (ARIC) cohort.

Methods: 196 cases without clinical strokes had lacunar infarcts by MRI, and 214 controls without radiographic infarcts were frequency-matched by age group and sex.