Instruct: Identify the main category of Medrxiv papers based on their titles.
Query: The Effects of Pericapsular nerve group (PENG) block on Postoperative Recovery in Elderly Patients with Hip fracture: a study protocol for randomized, parallel controlled, double-blind trial
Association of preoperative plasma suPAR levels with intraoperative sublingual microvascular perfusion in patients undergoing major non-cardiac surgery
The patient experience of COVID-19: A qualitative investigation with symptomatic outpatients
A Novel Abnormality Annotation Database for COVID-19 Affected Frontal Lung X-rays
Obesity may hamper SARS-CoV-2 vaccine immunogenicity
Interpretable surface-based detection of focal cortical dysplasias: a MELD study
Host-pathogen dynamics in longitudinal clinical specimens from patients with COVID-19
Indicators for Risk of Airborne Transmission in Shared Indoor Environments and their application to COVID-19 Outbreaks
Reducing false-positive SARS-CoV-2 diagnoses using long-range RT-qPCR
Associations of DMT therapies with COVID-19 severity in multiple sclerosis
Variation in influenza vaccine assessment, receipt, and refusal by the concentration of Medicare Advantage enrollees in U.S. nursing homes
SARS-CoV-2 antibody magnitude and detectability are driven by disease severity, timing, and assay
A multiplexed Cas13-based assay with point-of-care attributes for simultaneous COVID-19 diagnosis and variant surveillance
ESTIMATING THE HEALTH AND ECONOMIC EFFECTS OF THE VOLUNTARY SODIUM REDUCTION TARGETS IN BRAZIL: MICROSIMULATION ANALYSIS
Telomere length and its associations with mental disorders, age and genetic risk for mental disorders
Current State and Predicting Future Scenario of Highly Infected Nations for COVID-19 Pandemic
Completeness of reporting of clinical prediction models developed using supervised machine learning: A systematic review
Mitochondria-mediated Maternal-fetal Interactions and Consequences of Mitochondrial Dysregulation Indicate New Roles for Mitochondria in Hypertensive Pregnancies
Cohort Design and Natural Language Processing to Reduce Bias in Electronic Health Records Research: The Community Care Cohort Project
Polygenic risk scores for psychiatric, inflammatory, and cardio-metabolic traits and diseases highlight possible genetic overlaps with suicide attempt and treatment-emergent suicidal ideation
Association of Naive B Cells with Humoral Response to SARS-CoV-2 Vaccination
Accuracy of COVID-19 self-tests with unsupervised nasal or nasal plus oropharyngeal self-sampling in symptomatic individuals in the Omicron period
Physical Injuries and Burns among Refugees in Lebanon: Implications for Programs and Policies
SARS-CoV-2 infected cells trigger an acute antiviral response mediated by Plasmacytoid dendritic cells in mild but not severe COVID-19 patients
A systematic review of persistent symptoms and residual abnormal functioning following acute COVID-19: Ongoing symptomatic phase vs. post-COVID-19 syndrome
Long-distance migration was associated with increased prevalence of post-traumatic stress disorder in Syrian refugees