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Medical loss ratio's role in the large group insurer market.
Am J Manag Care
January 2025
Schaeffer Center for Health Policy & Economics, University of Southern California, 635 Downey Way, Verna & Peter Dauterive Hall, Los Angeles, CA 90089. Email:
Objectives: To assess trends in the medical loss ratio (MLR) and understand how health insurance premiums in the large group market are driven by medical claims spending and insurer margins.
Study Design: Study of approximately 500 insurers covering more than 40 million lives annually in the large group market that submitted an MLR submission form (2014-2022).
Methods: We assessed trends in the MLR, premiums, medical claims spending, administrative costs, quality improvement spending, and margins among all insurers in the large group market.
Role of Injectable Platelet-Rich Fibrin in the Management of Soft and Hard Tissue Periodontal Regeneration in Dentistry: Protocol for a Systematic Review.
JMIR Res Protoc
January 2025
Department of Research and Development, Sharad Pawar Dental College, Datta Meghe Institute of Higher Education and Research, Wardha, India.
Background: Injectable platelet-rich fibrin (i-PRF) has the capacity to release great amounts of several growth factors, as well as to stimulate increased fibroblast migration and the expression of collagen, transforming growth factor β, and platelet-derived growth factor. Consequently, i-PRF can be used as a bioactive agent to promote periodontal tissue regeneration.
Objective: We aim to compare and evaluate the effectiveness of i-PRF in periodontal tissue regeneration.
Effectiveness of Oral Prophylactic Antibiotics for Diagnostic Bronchoscopy: A Nationwide Database Study.
Ann Am Thorac Soc
January 2025
The University of Tokyo, Department of Clinical Epidemiology and Health Economics, Bunkyo-ku, Tokyo, Japan.
Rationale: Although the guidelines generally omit routine antibiotic prophylaxis for diagnostic bronchoscopy, this recommendation is primarily based on studies with relatively small sample sizes conducted at single institutions. Moreover, the applicability of recent technical and procedural advancements to these guidelines remains uncertain.
Objectives: To evaluate whether oral prophylactic antibiotic administration for diagnostic bronchoscopy reduces post-bronchoscopy infections among non-infectious diseases in the current setting.
Visualization of Apical-Basal Stress Polarity Regulating Directed Cell Migration with a FRET-Based Biosensor.
ACS Sens
January 2025
Cancer Hospital of Dalian University of Technology, Shenyang 110042, China.
Intracellular morphological apical-basal polarity, regulated by conserved polarity proteins, plays a crucial role in cell migration and metastasis. In this study, using a genetically encoded Förster resonance energy transfer (FRET) biosensor to visually present the spatiotemporal stress state between the lipid rafts on the membrane and the linked actin, we first provide the evidence for the existence of intrinsic apical-basal stress polarity in tumor cells and demonstrate that this polarity is a prerequisite for the formation of flow-induced front-back stress polarity. Interestingly, our study revealed that the front-back stress polarity disappeared upon the disruption of intrinsic apical-basal stress discrepancy, resulting in a large attenuated cell migration activity reduced from 76.
View Article and Find Full Text PDFAmbient Air Pollution and COPD: The Multiethnic Cohort Study.
Ann Am Thorac Soc
January 2025
University of California San Francisco, Department of Epidemiology and Biostatistics, San Francisco, California, United States.
Rationale: Globally, in 2019, chronic obstructive pulmonary disease (COPD) was the third leading cause of death. While tobacco smoking is the predominant risk factor, the role of long-term air pollution exposure in increasing risk of COPD remains unclear. Moreover, there are few studies that have been conducted in racial and ethnic minoritized and socioeconomically diverse populations, while accounting for smoking history and other known risk factors.
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