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Jen Lewis

@jenlewis.bsky.social
110 followers 367 following 14 posts

Computational neuroscience PhD & medical statistician at University of Sheffield. Hits things with sticks. Views my own, etc.

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Jen Lewis @jenlewis.bsky.social · 13/04/2026
Thrilled to share our new paper, now published in BMC HSR. This work suggests that emergency care facilities across the country now experience 'winter' levels of demand and pressure all year round. Thanks to co-authors & @arc-yharc.bsky.social, @hdruk.bsky.social! #UEC #NHS #WinterPressure
link.springer.com
Winter all year round in urgent and emergency care: a large retrospective analysis of routinely collected NHS data across England, 2021–2022 - BMC Health Services Research
BMC Health Services Research - ‘Winter pressures’ in urgent and emergency care (UEC) are widely accepted but have had little empirical attention. Amidst annually increasing demand for...
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Jen Lewis @jenlewis.bsky.social · 02/02/2026
In exciting news, our recent paper as part of the @arc-yharc.bsky.social has been featured in an editorial! It's great that our message around the role of triaging in managing demand for urgent and emergency care is being emphasised. #NHS #UEC #ResearchImpact #NIHR #EmergencyMedicine #PatientFlow
adc.bmj.com
Accuracy on the line: the NHS triage system in context
Crowding in emergency departments (EDs) is a familiar problem across health systems around the world. In most countries, the vast majority of paediatric emergency care is delivered in general EDs rath...
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Andrew Heiss @andrew.heiss.phd · 31/10/2025
Art.
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Jen Lewis @jenlewis.bsky.social · 31/10/2025
This does not scare me, for I laugh in the face of arbitrary thresholds.
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Dan Lewer @danlewer.bsky.social · 27/10/2025
We wrote an article explaining why you shouldn't put several variables into a regression model and report which are statistically significant - even as exploratory research. bmjmedicine.bmj.com/content/4/1/.... How did we do?
A "methods primer" article in the journal "BMJ Medicine", titled "Factors associated with: problems of using exploratory multivariable regression to identify causal risk factors"
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Jen Lewis @jenlewis.bsky.social · 27/10/2025
Happily, we've had faster progress with another recent paper, just published! We use #CUREd data to show quite dramatic differences in how clinical & non-clinical NHS 111 staff handle calls about children: adc.bmj.com/content/earl... #NHS111 #BMJ #NHS @scharr-msg.bsky.social @arc-yharc.bsky.social
adc.bmj.com
Clinical advisors at NHS 111 improve accuracy for paediatric patients and their advice is more reliably followed: a retrospective observational cohort study
Objective To determine whether National Health Service (NHS) 111 advice regarding paediatric patients given by clinically trained health advisors (CHAs) is, as previously found for adult patients, les...
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Jen Lewis @jenlewis.bsky.social · 23/10/2025
I've had a revised article sitting on the editor's desk at BMC Health Services Research, following really positive first reviews, for over 4 months. I can't get more than a stock response from editors. Anyone else in same position? Help, please?! @springernature.com
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Richard Jacques @richardjacques.bsky.social · 16/10/2025
The first 12 months of our project evaluating same-day emergency care (SDEC) is nearly over. You can read about how the project is progressing on our website: sites.google.com/sheffield.ac... @fohsheffield.bsky.social @scharr-msg.bsky.social @arc-yharc.bsky.social #SDEC #NHS #NIHR
sites.google.com
SDEC
Latest project news
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Dr Farbod @emergencybod.medsky.social · 19/11/2024
12 hour waits for a bed in the ED used to be a red line, never to be crossed. Now it is a just a part of life in ED. For every 72 patients waiting 8-12 hours in ED there will be one excess death. This is still unnacceptable. @rcem.bsky.social #resuscitateemergencycare rcem.ac.uk/almost-300-d...
rcem.ac.uk
Almost 300 deaths a week in 2023 associated with long A&E waits despite UEC Recovery Plan
New analysis by the Royal College of Emergency Medicine reveals that there were almost 300 deaths a week associated with long A&E waits in 2023
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Richard Jacques @richardjacques.bsky.social · 23/10/2024
New paper published in Statistical Methods in Medical Research: Comparison of statistical methods for the analysis of patient-reported outcomes in randomised controlled trials: A simulation study journals.sagepub.com/doi/10.1177/...
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Jen Lewis @jenlewis.bsky.social · 16/10/2024
My colleagues @beckiesimpson.bsky.social, @richardjacques.bsky.social and I had fun at #EUSEM, though we are statisticians out of water among ED clinicians! We presented our work with NHS routine data: understanding avoidable admissions, winter pressures, and advisor skill-set & NHS111 performance.
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Jen Lewis @jenlewis.bsky.social · 08/10/2024
A question for the #CausalInference community: best ways to include fairly generic measures of frailty and comorbidities (probably as a count) in a causal #DAG? #statsky #episky
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Dr. Sabrina Mittermeier @smittermeier.bsky.social · 28/09/2024
Working with Taylor & Francis is simply unethical by this point. It’s unfortunately difficult to have AI use revoked from existing contracts but at least try, complain, if you have a book with them. And otherwise do not even consider.
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Jen Lewis @jenlewis.bsky.social · 30/09/2024
My first... er, post(?) on here is a delightful one! Our new paper, a review of adaptive clinical trials and how their sample sizes are calculated and reported is live at BMC Medical Research Methodology. Unfortunately my fellow authors are not here yet.... #statsky #adaptivedesigns #clinicaltrials
link.springer.com
Reporting and communication of sample size calculations in adaptive clinical trials: a review of trial protocols and grant applications
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