Publications by authors named "G M David"

Background And Aims: Limited data are available on long-term disease outcomes in elderly-onset (EO) inflammatory bowel diseases (IBD) from well-defined population-based cohorts. Our aim was to analyze incidence, disease course, surgery rates and therapeutic strategies of EO IBD in a prospective population-based cohort.

Methods: EO IBD was defined if diagnosis was established at ≥60years of age.

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Purpose: Prolactin measurement is essential in endocrine diagnostics. Challenges such as the hook effect and reactivity to macroprolactin, which varies according to the reagent, complicate accurate measurement. The present study evaluated a newly marketed reagent to detect prolactin, IDS Prolactin, comparing it to an established reagent, Roche Elecsys Prolactin, assessing its behavior toward macroprolactin and polyethylene glycol (PEG) treatment, and establishing reference intervals.

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  • This study evaluated how personal protective equipment (PPE) and holster positions affect the walking and sprinting abilities and comfort of Brazilian police officers.
  • It involved 20 police officers who were tested under three different conditions: no PPE, PPE with a thigh holster, and PPE with a hip holster.
  • Findings showed that PPE affects stride length and gait speed while increasing discomfort, particularly in the back and knees, highlighting the importance of ergonomic design in PPE for better officer mobility.
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  • - We analyzed the revenues, costs, and contribution margins (CMs) for major cardiovascular procedures in Medicare patients from 2016 to 2019, focusing on how these factors differ across various procedures.
  • - Claim-level costs were determined using cost-to-charge ratios, and outliers were adjusted for accuracy, which helped us calculate the CMs as the difference between revenue and costs.
  • - Our findings showed significant variation in revenues, costs, and CMs for different cardiovascular procedures, with those procedures that are increasingly common generating substantial net CMs for hospitals in the US.
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Geographic disparities in access to inpatient procedures are a significant issue within the US healthcare system. This study introduces the Procedure Access Inequality (PAI) index, a standardized metric to quantify these disparities while adjusting for disease prevalence. Using data from the Healthcare Cost and Utilization Project State Inpatient Databases, we analyzed inpatient procedure data from 18 states between 2016 and 2019.

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