Results 121 to 130 of about 73,040 (266)

Discriminant analysis of multivariate time series using wavelets [PDF]

open access: yes
In analyzing ECG data, the main aim is to differentiate between the signal patterns of those of healthy subjects and those of individuals with specific heart conditions.
M. Andrés Alonso, Ann Elizabeth Maharaj
core  

Invisible barriers and lasting scars for racially/ethnically minoritized youth: The role of state‐level opportunity on adverse childhood experiences exposure risk

open access: yesJournal of Traumatic Stress, EarlyView.
Abstract Previous research has shown there are racial/ethnic disparities in exposure to adverse childhood experiences (ACEs) that can affect youths’ physical and mental well‐being. Structural opportunity factors—including a lack of economic, community, educational, and health resources—may increase exposure to ACEs among youth of color relative to non ...
Bella C. King   +4 more
wiley   +1 more source

HEPATITIS B VIRUS INFECTION AND ASSOCIATED FACTORS AMONG BLOOD DONORS IN ETHIOPIA: A CROSS-SECTIONAL STUDY

open access: yesJPH RECODE (Journal of Public Health Research and Community Health Development)
Background: Blood transfusion is a mandatory therapeutic maneuver that provides life-saving benefits to patients who are suffering from severe anemia due to medical disorders.
Abdifetah Abdulahi Sheik   +4 more
doaj   +1 more source

Examining stressful life experiences as risk factors for self‐injurious behaviors as a function of sexual minority status in adults

open access: yesJournal of Traumatic Stress, EarlyView.
Abstract Self‐injurious behaviors (SIBs) represent a major public health concern in the United States. Although sexual minority individuals experience disproportionately high rates of SIBs, research identifying population‐specific risk factors remains limited. This study examined how stressful experiences common among sexual minority (SM) adults relate
Samantha M. Haas, Naomi Sadeh
wiley   +1 more source

Preoperative expectations and 2‐year outcomes after primary anterior cruciate ligament reconstruction

open access: yesKnee Surgery, Sports Traumatology, Arthroscopy, EarlyView.
Abstract Purpose A growing emphasis on patient‐centered care, paired with a steady rise in anterior cruciate ligament reconstructions (ACLRs), has led to greater interest in identifying predictors of patient‐reported outcomes (PROs) after ACLR. Patient expectations are one factor previously identified as potentially impacting post‐operative PROs in ...
Prateek Swamykumar   +9 more
wiley   +1 more source

Landscape Fragmentation Driven by Land Use Change Dominates the Spatiotemporal Heterogeneity of Non‐Point Source Pollution Loads in Human‐Intensive Basins: A Case Study of the Dongjiang River Basin, China

open access: yesLand Degradation &Development, EarlyView.
ABSTRACT Landscape fragmentation may influence the spatial distribution and temporal variation of non‐point source (NPS) pollution by altering hydrological processes, pollutant transport pathways, and ecosystem service functions. However, under the combined effects of natural factors (e.g., precipitation, topography) and anthropogenic factors (e.g ...
Shilin Cai   +5 more
wiley   +1 more source

Copulas in finance and insurance [PDF]

open access: yes
Copulas provide a potential useful modeling tool to represent the dependence structure among variables and to generate joint distributions by combining given marginal distributions. Simulations play a relevant role in finance and insurance. They are used
Elisa M. Molanes, Rosario Romera
core  

Ecosystem retrogression enhances cross‐domain microbial stability and increases the genetic potential for nutrient cycling

open access: yesmLife, EarlyView.
Abstract Ecosystem retrogression drives nutrient depletion, reduced productivity, and profound reorganization of soil microbial communities. Using amplicon sequencing and genome‐resolved metagenomics, we examined how cross‐domain microbial networks and functional gene potential respond to long‐term phosphorus and nitrogen limitation along the well ...
Javier A. Ceja‐Navarro   +11 more
wiley   +1 more source

An M-Estimator for Tail Dependence in Arbitrary Dimensions [PDF]

open access: yes
Consider a random sample in the max-domain of attraction of a multivariate extreme value distribution such that the dependence structure of the attractor belongs to a parametric model.
Krajina, A., Segers, J., Einmahl, J.H.J.
core   +1 more source

Advancing the Volumetric Analysis of Ultra‐Low‐Field Brain MRI Using Image‐to‐Image Translation

open access: yesMagnetic Resonance in Medicine, EarlyView.
ABSTRACT Purpose Ultra‐low‐field (ULF) MRI offers a promising path to accessible neuroimaging, with potential to address global healthcare disparities and advance population‐level brain health research. However, the inherently low signal‐to‐noise ratio (SNR), reduced spatial resolution, and altered tissue contrasts relative to conventional high‐field ...
Peter Hsu   +3 more
wiley   +1 more source

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