[HTML][HTML] OpenSAFELY: factors associated with COVID-19 death in 17 million patients

EJ Williamson, AJ Walker, K Bhaskaran, S Bacon… - Nature, 2020 - ncbi.nlm.nih.gov
OpenSAFELY: factors associated with COVID-19 death in 17 million patients - PMC Back to
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Factors associated with COVID-19-related death using OpenSAFELY

EJ Williamson, AJ Walker, K Bhaskaran, S Bacon… - Nature, 2020 - nature.com
Abstract Coronavirus disease 2019 (COVID-19) has rapidly affected mortality worldwide.
There is unprecedented urgency to understand who is most at risk of severe outcomes, and …

Using simulation studies to evaluate statistical methods

TP Morris, IR White, MJ Crowther - Statistics in medicine, 2019 - Wiley Online Library
Simulation studies are computer experiments that involve creating data by pseudo‐random
sampling. A key strength of simulation studies is the ability to understand the behavior of …

Ethnic differences in the prevalence of type 2 diabetes diagnoses in the UK: cross-sectional analysis of the health improvement network primary care database

TM Pham, JR Carpenter, TP Morris, M Sharma… - Clinical …, 2019 - Taylor & Francis
Aims/Hypothesis Type 2 diabetes mellitus is associated with high levels of disease burden,
including increased mortality risk and significant long-term morbidity. The prevalence of …

Efficient utilization of missing data in cost-sensitive learning

X Zhu, J Yang, C Zhang, S Zhang - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Different from previous imputation methods which impute missing values in the incomplete
samples by using the information in the complete samples, this paper proposes a Date-drive …

Variations by ethnicity in referral and treatment pathways for IAPT service users in South London

H Harwood, R Rhead, Z Chui, I Bakolis… - Psychological …, 2023 - cambridge.org
BackgroundThe Improving Access to Psychological Therapies (IAPT) programme aims to
provide equitable access to therapy for common mental disorders. In the UK, inequalities by …

Health indicator recording in UK primary care electronic health records: key implications for handling missing data

I Petersen, CA Welch, I Nazareth, K Walters… - Clinical …, 2019 - Taylor & Francis
Background Clinical databases are increasingly used for health research; many of them
capture information on common health indicators including height, weight, blood pressure …

Partial multiple imputation with variational autoencoders: tackling not at randomness in healthcare data

RC Pereira, PH Abreu… - IEEE Journal of …, 2022 - ieeexplore.ieee.org
Missing data can pose severe consequences in critical contexts, such as clinical research
based on routinely collected healthcare data. This issue is usually handled with imputation …

[HTML][HTML] HIV suppression was maintained during the COVID-19 pandemic in Malawi: a program-level cohort study

T Kalua, M Egger, A Jahn, T Chimpandule… - Journal of clinical …, 2022 - Elsevier
Objective Measures introduced to reduce the spread of SARS-CoV-2 by the Malawi
government and the national HIV care program might have compromised treatment …

[HTML][HTML] Missing data: Issues, concepts, methods

TM Pham, N Pandis, IR White - Seminars in Orthodontics, 2024 - Elsevier
Missing data are a common issue in medical research. We aim to explain in non-technical
language the issues and concepts around missing data, as well as discuss common …