Results 51 to 60 of about 1,910,786 (266)

Commentary: Test-Negative Design Reduces Confounding by Healthcare-Seeking Attitude in Case-Control Studies

Journal of Epidemiology, 2019
Kotaro Ozasa, Wakaba Fukushima
doaj   +3 more sources

Design and Test of the Structure of Extractor Negative Pressure Zone of Sugarcane Chopper Harvester

Agronomy, 2022
Given the problems of the high trash content and loss rate for mechanized sugarcane harvesting, taking the HN4GDL-194 sugarcane chopper harvester extractor developed by South China Agricultural University as the research object, three types of extractor ...
Jiahui Ren, Tao Wu, Qingting Liu, Xiaoping Zou, Ke Li   +4 more
doaj   +1 more source

Influenza vaccine effectiveness by test-negative design – Comparison of inpatient and outpatient settings [PDF]

Vaccine, 2016
Observational studies of influenza vaccine effectiveness (VE) are increasingly using the test-negative design. Studies are typically based in outpatient or inpatient settings, but these two approaches are rarely compared directly. The aim of our study was to assess whether influenza VE estimates differ between inpatient and outpatient settings.We ...
Shuo Feng, Benjamin J. Cowling, Sheena G. Sullivan   +2 more
openaire   +5 more sources

Unheard and Under‐Supported: Health‐Related Quality of Life in Children, Adolescents, and Young Adults With Sickle Cell Disease

Pediatric Blood &Cancer, EarlyView.
Abstract Background Sickle cell disease (SCD) is an autosomal recessive hemoglobinopathy affecting millions of individuals worldwide. The clinical expression and psychosocial burden of SCD vary widely across geographical, cultural, and healthcare system contexts, underscoring the need for setting‐specific approaches to assessment.
Desiré Fantasia, Giulia Reggiani, Elizabeth J. Maran, Maria Elisa Delle Fave, Ilaria Baido, Anna Chiara Frigo, Maria Paola Boaro, Raffaella Colombatti   +7 more
wiley   +1 more source

The Effectiveness of COVID-19 Vaccines During the Pre-Omicron and Omicron Periods: A Retrospective Test-Negative Case–Control Study

Vaccines
Background: The aim of this study was to estimate the effectiveness of original and bivalent COVID-19 vaccines in reducing COVID-19-associated hospitalizations among the adult population of Turin, Italy.
Romeo Brambilla, Renata Gili, Federica Vigna Taglianti, Jacopo Lenzi, Matteo Riccò, Roberto Burioni, Mariaelisabetta Scarvaglieri, Rachele Rocco, Vittorina Buttafuoco, Rosa Maria Teresa Antonia Cristaudo, Davide Gori   +10 more
doaj   +1 more source

Addressing misclassification bias in vaccine effectiveness studies with an application to Covid-19

BMC Medical Research Methodology, 2023
Safe and effective vaccines are crucial for the control of Covid-19 and to protect individuals at higher risk of severe disease. The test-negative design is a popular option for evaluating the effectiveness of Covid-19 vaccines.
Paolo Eusebi, Niko Speybroeck, Sonja Hartnack, Jacob Stærk-Østergaard, Matthew J. Denwood, Polychronis Kostoulas   +5 more
doaj   +1 more source

Effectiveness of 2023 southern hemisphere influenza vaccines against severe influenza-associated illness: pooled estimates from eight countries using the test-negative design.

Lancet Glob Health
Gharpure R, Regan AK, Nogareda F, Cheng AC, Blyth CC, George SS, Huang QS, Wood T, Anglemyer A, Prasert K, Praphasiri P, Davis WW, Pittayawonganon C, Ercole R, Iturra A, de Almeida WAF, de Paula Júnior FJ, Vigueras MA, Barraza MFO, Domínguez C, Penayo E, Goñi N, Tritten D, Couto P, Salas D, Fowlkes AL, Duca LM, Azziz-Baumgartner E, Sullivan SG.   +28 more
europepmc   +2 more sources

Imaging of High‐Risk Neuroblastoma: Recommendations From SIOPEN Radiology and Nuclear Medicine Specialty Committees

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Neuroblastoma is the most common extracranial solid tumor in early childhood. Its clinical behavior is highly variable, ranging from spontaneous regression to fatal outcome despite intensive treatment. The International Society of Pediatric Oncology Europe Neuroblastoma Group (SIOPEN) Radiology and Nuclear Medicine Specialty Committees ...
Annemieke Littooij, Catia Olianti, Herve Brisse, Pier Luigi Di Paolo, Maria Garganese, Tepas Kapadia, Jurgen Schaefer, Hugh Wallace, Simon Wan, Bart de Keizer, Irmina Sefic Pasic, Julian Rogasch   +11 more
wiley   +1 more source

Real-World Effectiveness of Seasonal Influenza Vaccines During the 2024–2025 Season: Subgroup Analyses by Virus Subtype, Time Since Vaccination, and Diagnostic Method

Vaccines
Background/Objectives: Despite high vaccination coverage, influenza remains a public health concern in South Korea, particularly in older adults. Continuous evaluation of vaccine effectiveness (VE) is essential to optimize immunization strategies ...
Yu Jung Choi, Jungmin Lee, Joon Young Song, Seong-Heon Wie, Jacob Lee, Jin-Soo Lee, Hye Won Jeong, Joong Sik Eom, Jang Wook Sohn, Young Kyung Yoon, Won Suk Choi, Eliel Nham, Jin Gu Yoon, Ji Yun Noh, Man-Seong Park, Hee Jin Cheong   +15 more
doaj   +1 more source

Observed negative vaccine effectiveness could be the canary in the coal mine for biases in observational COVID-19 studies

International Journal of Infectious Diseases, 2023
Since the emergence of the SARS-CoV-2 Omicron variant, multiple observational studies have reported negative vaccine effectiveness (VE) against infection, symptomatic infection, and even severity (hospitalization), potentially leading to an ...
Korryn Bodner, Michael A. Irvine, Jeffrey C. Kwong, Sharmistha Mishra   +3 more
doaj   +1 more source