Instruct: Identify the main category of a Medrxiv paper based on its title.
Query: Association of in-hospital use of ACE-I/ARB and COVID-19 outcomes in African American population
Sensitivity of SARS-CoV-2 antibody tests with late convalescent sera
Prediction of COVID-19 Pandemic of Top Ten Countries in the World Establishing a Hybrid AARNN LTM Model
Fragmented QRS is independently predictive of long-term adverse clinical outcomes in Asian patients hospitalized for heart failure: a retrospective cohort study
Efficacy and safety of TiNO-coated stents versus drug-eluting coronary stents. Systematic literature review and meta-analysis.
Perceived barriers and enablers influencing physical activity in heart failure: a qualitative one-to-one interview study
Plaque Contact Surface Area and Flow Lumen Volume Predict Stroke Risk in Extracranial Carotid Artery Stenosis
On the Role of Financial Support Programs in Mitigating the Sars-CoV-2 Spread in Brazil
Factors associated with contraceptive failure in Uganda: Analysis of the 2016 Uganda Demographic and Health Survey
Does the Heart Fall Asleep? - Diurnal Variations of Heart Rate Variability in Patients with Disorders of Consciousness
COVID-19 increases age- and sex-controlled 21-day fatality rates for patients with melanoma, hematologic malignancies, uterine cancer, or kidney cancer
Anti-cardiolipin and other anti-phospholipid antibodies in critically ill COVID-19 positive and negative patients
Association of machine learning-derived measures of body fat distribution in >40,000 individuals with cardiometabolic diseases
COVID-19 Pandemic and Academic Speculation of Medical Students of Bangladesh: A Cross-sectional, Comparative Study
Ambulatory Duchenne Muscular Dystrophy Children: Cross-sectional Correlation between Function, Quantitative Muscle Ultrasound and MRI
Racial and Ethnic Disparities in Years of Potential Life Lost Attributable to COVID-19 in the United States: An Analysis of 45 States and the District of Columbia
SWIFT: A Deep Learning Approach to Prediction of Hypoxemic Events in Critically-Ill Patients Using SpO2 Waveform Prediction
The effect of obesity-related traits on COVID-19 severe respiratory symptoms is mediated by socioeconomic status: a multivariable Mendelian randomization study
Imbalanced basal ganglia connectivity is associated with motor deficits and apathy in Huntington's disease
Acceptability, usability and performance of lateral flow immunoassay tests for SARS-CoV-2 antibodies: REACT-2 study of self-testing in non-healthcare key workers
Detection of SARS-CoV-2 in saliva using tailed amplicon sequencing
Comparing the impact of vaccination strategies on spread of COVID-19, including a novel household-targeted vaccination strategy
Distinct patterns of treatment response using the Early Start Denver Model with young children with autism spectrum disorder: a cluster analysis
A systematic review and meta-analysis of longitudinal cohort studies comparing mental health before versus during the COVID-19 pandemic
A causal inference approach for estimating effects of non-pharmaceutical interventions during Covid-19 pandemic
Causal effects of maternal circulating amino acids on offspring birthweight: a Mendelian randomisation study