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Showing 1-20 of 871 results
  1. Intra- and interobserver reliability analysis of pediatric lower limb parameters on digital long leg radiographs

    Background

    Malalignments of the lower extremity are common reasons for orthopedic consultation because it may lead to osteoarthritis in adulthood. An...

    Sebastian Braun, Marco Brenneis, ... Felix Stief in Journal of Orthopaedic Surgery and Research
    Article Open access 27 January 2023
  2. Artificial intelligence-based analyses of varus leg alignment and after high tibial osteotomy show high accuracy and reproducibility

    Purpose

    The aim of this study was to investigate the performance of an artificial intelligence (AI)-based software for fully automated analysis of leg...

    Christoph Stotter, Thomas Klestil, ... Stefan Nehrer in Knee Surgery, Sports Traumatology, Arthroscopy
    Article Open access 17 November 2023
  3. Mutant-allele dispersion correlates with prognosis risk in patients with advanced non-small cell lung cancer

    Background

    Intra-tumor heterogeneity (ITH) contributes to lung cancer progression and resistance to therapy. To evaluate ITH and determine whether it...

    Chen-xu Wang, Jie Yan, ... Yan-ru Qin in Journal of Cancer Research and Clinical Oncology
    Article 24 April 2023
  4. Whole-tumor amide proton transfer–weighted imaging histogram analysis to predict pathological extramural venous invasion in rectal adenocarcinoma: a preliminary study

    Objectives

    To evaluate amide proton transfer–weighted (APTw)–derived whole-tumor histogram analysis parameters in predicting pathological extramural...

    Weicui Chen, Guoqing Liu, ... **an Liu in European Radiology
    Article 26 January 2023
  5. Physical activity cut-points for older adults using the Zio XT onboard accelerometer

    Introduction

    The Zio® XT continuous ambulatory electrocardiographic monitor (Zio) contains an accelerometer that can help quantify an individual’s...

    Lacey H. Etzkorn, Anis Davoudi, ... Amal A. Wanigatunga in BMC Digital Health
    Article Open access 12 June 2024
  6. A wide range of missing imputation approaches in longitudinal data: a simulation study and real data analysis

    Background

    Missing data is a pervasive problem in longitudinal data analysis. Several single-imputation (SI) and multiple-imputation (MI) approaches...

    Mina Jahangiri, Anoshirvan Kazemnejad, ... Mahdi Akbarzadeh in BMC Medical Research Methodology
    Article Open access 06 July 2023
  7. Assessment of equations estimating average glucose among patients with diabetic kidney disease before dialysis

    Objective

    Estimation of average glucose (AG) from hemoglobin A1c (HbA1c) helps guide diabetes management, and thus several AG-HbA1c equations have...

    Yi Lu, **angyu Wang, ... Yaoming Xue in International Journal of Diabetes in Develo** Countries
    Article 08 January 2024
  8. Mitral annular disjunction in surgical mitral valve prolapse: prevalence, characteristics and outcomes

    Background

    There is a paucity of literature regarding outcomes of patients with mitral valve prolapse (MVP) and mitral annular disjunction (MAD) after...

    Rhys Gray, Praveen Indraratna, ... Gita Mathur in Echo Research & Practice
    Article Open access 08 November 2023
  9. Prediction of daily mean and one-hour maximum PM2.5 concentrations and applications in Central Mexico using satellite-based machine-learning models

    Background

    Machine-learning algorithms are becoming popular techniques to predict ambient air PM 2.5 concentrations at high spatial resolutions...

    Iván Gutiérrez-Avila, Kodi B. Arfer, ... Allan C. Just in Journal of Exposure Science & Environmental Epidemiology
    Article Open access 10 September 2022
  10. Whole-lesion apparent diffusion coefficient (ADC) histogram as a quantitative biomarker to preoperatively differentiate stage IA endometrial carcinoma from benign endometrial lesions

    Background

    To assess the value of whole-lesion apparent diffusion coefficient (ADC) histogram analysis in differentiating stage IA endometrial...

    Jieying Zhang, **aoduo Yu, ... Han Ouyang in BMC Medical Imaging
    Article Open access 08 August 2022
  11. Association of intraindividual tacrolimus variability with de novo donor-specific HLA antibody development and allograft rejection in pediatric kidney transplant recipients with low immunological risk

    Background

    Tacrolimus (Tac) intraindividual variability (TacIPV) in pediatric kidney transplant patients is only poorly understood. We investigated...

    Maral Baghai Arassi, Laura Gauche, ... Alexander Fichtner in Pediatric Nephrology
    Article Open access 15 February 2022
  12. Flash glucose monitoring system in gestational diabetes: a study of accuracy and usability

    Purpose

    Studies of flash glucose monitoring systems (FGMSs) in pregnancy are insufficient, especially in gestational diabetes (GD). Our aim was to...

    Sara Campos Lopes, Ana Isabel Brito, ... Vera Fernandes in Hormones
    Article 23 September 2023
  13. “Won’t get fooled again”: statistical fault detection in COVID-19 Latin American data

    Background

    Claims of inconsistency in epidemiological data have emerged for both developed and develo** countries during the COVID-19 pandemic.

    ...
    Dalson Figueiredo Filho, Lucas Silva, Hugo Medeiros in Globalization and Health
    Article Open access 16 December 2022
  14. Plasma Mitochondrial DNA Clearance by Continuous Venovenous Haemofiltration in Critically Ill Patients

    Objective

    Mitochondrial DNA (mtDNA) reportedly has diagnostic and predictive value in critically ill patients. This study evaluated the diagnostic and...

    Yu**g Wang, Zepeng Duan, ... **ngui Dai in Intensive Care Research
    Article Open access 28 May 2024
  15. The VRF-L and VRF-GL IOL power calculation methods after radial keratotomy

    Background

    To investigate the accuracy of the VRF-L and VRF-GL IOL power calculation methods in cataract surgery after radial keratotomy (RK).

    ...
    Oleksiy V. Voytsekhivskyy in Eye
    Article 28 June 2024
  16. Towards standardization of absolute SPECT/CT quantification: a multi-center and multi-vendor phantom study

    Abstract

    Absolute quantification of radiotracer distribution using SPECT/CT imaging is of great importance for dosimetry aimed at personalized...

    Steffie M. B. Peters, Niels R. van der Werf, ... Martin Gotthardt in EJNMMI Physics
    Article Open access 26 December 2019
  17. CT-based radiomics can identify physiological modifications of bone structure related to subjects’ age and sex

    Purpose

    Radiomics of vertebral bone structure is a promising technique for identification of osteoporosis. We aimed at assessing the accuracy of...

    Riccardo Levi, Federico Garoli, ... Letterio S. Politi in La radiologia medica
    Article 06 May 2023
  18. Accuracy of 20 Intraocular Lens Power Calculation Formulas in Medium-Long Eyes

    Introduction

    The aim of this work is to compare 20 intraocular lens (IOL) power calculation formulas in medium-long eyes (24.50–25.99 mm) in terms of...

    Wiktor Stopyra, Oleksiy Voytsekhivskyy, Andrzej Grzybowski in Ophthalmology and Therapy
    Article Open access 11 May 2024
  19. Scoring PD-L1 Expression in Urothelial Carcinoma: An International Multi-Institutional Study on Comparison of Manual and Artificial Intelligence Measurement Model (AIM-PD-L1) Pathology Assessments

    Assessing programmed death ligand 1 (PD-L1) expression on tumor cells (TCs) using Food and Drug Administration-approved, validated immunoassays can...

    Josef Rüschoff, George Kumar, ... Arndt Hartmann in Virchows Archiv
    Article 04 April 2024
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