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Mohsen Sadatsafavi

@msafavi.bsky.social
1.3K followers 734 following 75 posts

Epidemiologist @UBC🇨🇦, PI of the RESP lab, interested in Decision Sciences at clinical & policy levels, with application in respiratory diseases. Posts are my own views. resp.core.ubc.ca/team/Mohsen_Sadats…

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Reposted by Mohsen Sadatsafavi
Amin @aminad.bsky.social · 18/03/2026
Our newest paper led by @suryapbhatt.bsky.social and @msafavi.bsky.social: At least 1 moderate or 1 severe exacerbation over the previous 2 years has the highest discrimination and clinical utility for predicting high #COPD exacerbation risk. @atsblueeditor.bsky.social doi.org/10.1093/ajrc...
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The New York Times @nytimes.com · 19/03/2026
Persian New Year, or Nowruz, arrives this weekend and is celebrated with meals full of freshness and comfort. Here are some standout options. nyti.ms/4sTwLzU
5 Herby, Bright 
And Brilliant Recipes for Nowruz
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Mohsen Sadatsafavi @msafavi.bsky.social · 26/02/2026
Thanks for promoting our work in #COPD
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Vancouver Coastal Health Research Institute @vchresearch.bsky.social · 25/02/2026
A new risk prediction tool tested by VCHRI scientist Dr. Mohsen Sadatsafavi identified a series of patient characteristics linked to severe COPD attacks, which could help physicians & patients make informed decisions about treatment & lifestyle changes: www.vchri.ca/stories/2026...
vchri.ca
Early detection of lung attacks in COPD
A new risk prediction tool could help reduce the burden of chronic obstructive pulmonary disease (COPD) on patients and health care systems. The PRECISE-X model tested by lead researcher and…
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🍁🇨🇦Team Canada Forever🇨🇦🍁 @teamcanadaforever.bsky.social · 14/11/2025
Canada announces a $1.7 billion program to recruit top H1B visa holders from America 🎥 Credit: Mint / Youtube ❤️🇨🇦TEAM CANADA FOREVER🇨🇦❤️ ❤️🍁🇨🇦VIVE LE CANADA 🇨🇦🍁❤️
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ATS Blue Journal @atsblueeditor.bsky.social · 12/11/2025
Social Determinants of Health and Racial Disparities in Lung Function Environmental exposures explain a larger proportion of racial disparities in lung function than previously believed aminad.bsky.social @news.ubc.ca @donsin40.bsky.social @msafavi.bsky.social 🔗 tinyurl.com/43vb6ubz
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Reposted by Mohsen Sadatsafavi
Amin @aminad.bsky.social · 01/11/2025
🗞️Hot off the press in @atsblueeditor.bsky.social! Our analysis shows that unfavourable social and environmental exposures explain a much larger share of racial disparities in lung function than previously thought. Details: doi.org/10.1164/rccm... @msafavi.bsky.social @awgaffney.bsky.social
doi.org
Social Determinants of Health and Racial Disparities in Lung Function: Findings from the National Health and Nutrition Examination Survey, 2007–2012 | American Journal of Respiratory and Critical Care...
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Richard Riley (R²) @richarddriley.bsky.social · 30/09/2025
Giving a talk today which anyone can watch online: 1pm - 2pm "The Importance of Sample Size for the Development and Evaluation of Clinical Prediction Models" - intended for a broad audience (anyone doing or using prediction model research) imperial-ac-uk.zoom.us/webinar/regi...
imperial-ac-uk.zoom.us
Welcome! You are invited to join a webinar: Research Methods Academy: Seminar - The Importance of Sample Size for the Development and Evaluation of Clinical Prediction Models. After registering, you w...
Led by Professor Richard Riley Join this Online Seminar on clinical prediction models estimate individual risk for outcomes from disease. Many studies lack rigorous design; this session will focus o...
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Adam Kinzinger @adamkinzinger.substack.com · 16/08/2025
Please watch and share. Ukraine is winning Ukraine Is Beating Russia: What Putin Doesn't Want You to Know youtu.be/JThTysIZfFc
youtu.be
Ukraine Is Beating Russia: What Putin Doesn't Want You to Know
YouTube video by Adam Kinzinger
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David Ho @davidho.bsky.social · 30/07/2025
Motherfucking wind farms…
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Rick Steves @ricksteves.bsky.social · 17/06/2025
In the spring of 2008, I feared America was on the verge of war with Iran — and, believing that it’s good style to get to know people before you bomb them, I made “Rick Steves’ Iran,” a one-hour special that could (and would) only debut on PBS. Sadly, this special has become pertinent again today.
ricksteves.com
Iran
Join Rick as he explores the most surprising and fascinating land he's ever visited: Iran. In a one-hour, ground-breaking travel special on public television, you'll discover the splendid monuments of...
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Reposted by Mohsen Sadatsafavi
Elizabeth Jacobs, PhD @elizabethjacobs.bsky.social · 27/05/2025
An assessment of Hitler’s strategy, from the Winds of War: “…the masses are “feminine”, acting on feeling and sentiment, and whatever you tell them must be addressed to the dullest ignoramus among them, in order to reach and convince the broadest possible audience”.
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Saganism @sagan.bsky.social · 10/05/2025
One of the saddest lessons of history is this: If we’ve been bamboozled long enough, we tend to reject any evidence of the bamboozle. We’re no longer interested in finding out the truth. The bamboozle has captured us. It’s simply too painful to acknowledge, even to ourselves, that we’ve been taken. Once you give a charlatan power over you, you almost never get it back.

From Carl Sagan, The Demon-Haunted World: Science as a Candle in the Dark
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Mohsen Sadatsafavi @msafavi.bsky.social · 16/04/2025
Several programs at UBC have opened their grad programs for 🇺🇸 citizens www.grad.ubc.ca/us-applicant... Contact me if you are interested in 1) methodological research in clinical prediction modeling or decision analysis or 2) respiratory outcomes research. Check our lab: resp.core.ubc.ca #Episky
grad.ubc.ca
US Applicant Week
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Mohsen Sadatsafavi @msafavi.bsky.social · 10/04/2025
Real picture of trade policy economists enjoying the first truly randomized experiment in their field #trump #econsky
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Mohsen Sadatsafavi @msafavi.bsky.social · 01/04/2025
TLDR: Now that he wants to rape you, you should consider marrying him. It is more civilized, and is actually good for you! #Canada #Annexation #51st theconversation.com/canada-a-51s...
theconversation.com
Canada a 51st state? Here’s how American annexation could actually favour Canada
The notion of a friendly U.S.–Canada merger invites reflection since both countries are economically interlocked and geographically co-located, though culturally distinct.
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Reposted by Mohsen Sadatsafavi
Stephanie M. Lee @stephaniemlee.bsky.social · 21/03/2025
"On October 8, 1931, a law went into effect requiring every Italian university professor to sign an oath pledging their loyalty to the government of Benito Mussolini. Out of over 1,200 professors in the country, only 12 refused. All of them were immediately fired." www.chronicle.com/article/what...
chronicle.com
Opinion | What Autocrats Want From Academics: Servility
In 1931, Italian scholars were made to take loyalty oaths. Will that happen to us?
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Mohsen Sadatsafavi @msafavi.bsky.social · 21/03/2025
🔥 An amazing training opportunity on the cutting edge of predictive analytics and AI👇 #episky #phd #training
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tejparikh.ft.com @tejparikh.ft.com · 16/03/2025
Check out the latest edition of my @financialtimes.com newsletter. (1/2) How to turn Canada into an economic superpower: on.ft.com/4hD9tbe
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Dr Dan Shugar 🇨🇦 @watershedlab.bsky.social · 13/03/2025
Academic interested in moving to Canada? 🇨🇦 Canada Excellence Research Chairs program is now live. @ucalgary.bsky.social is looking for (amongst others) senior research chair in Mountain Water Security. 🧪⚒️❄️ #academicsky Please repost far and wide! research.ucalgary.ca/research/our...
research.ucalgary.ca
Canada Excellence Research Chairs (CERC) Competition 2026
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Harvard Epidemiology @harvardepi.bsky.social · 14/03/2025
Happy (early) Birthday to the father of Field Epidemiology! John Snow, who turns 212 on March 15th, is legendary for using disease mapping to determine the source of the London cholera outbreak in 1854. #JohnSnow #Epidemiology
John Snow cholera map and John Snow in a party hat
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Aaron Rupar @atrupar.com · 13/03/2025
Trump: "To be honest with you, Canada only works as a state. We don't need anything they have. As a state it would be one of the great states. This would be the most incredible country visually. If you look at a map, they drew an artificial line right through it."
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Juanita Jackson 🇨🇦 @westcoastbclife.bsky.social · 13/03/2025
If you are a US doctor and want to move to Canada 🇨🇦 with direct recognition of your credentials - apply! @medsky.social
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Reposted by Mohsen Sadatsafavi
Paul Glasziou @paulglasziou.bsky.social · 12/03/2025
How good is your diagnostic test interpretation? Well, there is a fun game (the BIRD game) to play which gets you to guess interpretation given pre-test prob, sensitivity & specificity www.testingwisely.com
testingwisely.com
Testing Wisely
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Norbert Wiener Kreis @carlsachs.bsky.social · 08/03/2025
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Mohsen Sadatsafavi @msafavi.bsky.social · 06/03/2025
Thursday! 😀
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Mohsen Sadatsafavi @msafavi.bsky.social · 04/03/2025
Suggest everyone watch this 1-min clip.
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Reposted by Mohsen Sadatsafavi
Magdalena Skipper @magdalenaskipper.bsky.social · 25/02/2025
Inexplicably, US administration has launched an unprecedented assault on science, on research institutions & on vital international organizations & initiatives. An assault on science anywhere is an assault on science everywhere; the global community must unite 🧪 www.nature.com/articles/d41...
nature.com
Trump 2.0: an assault on science anywhere is an assault on science everywhere
US President Donald Trump is taking a wrecking ball to science and to international institutions. The global research community must take a stand against these attacks.
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Mohsen Sadatsafavi @msafavi.bsky.social · 24/02/2025
Sign of the times :(
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Mohsen Sadatsafavi @msafavi.bsky.social · 16/02/2025
me too!
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Reposted by Mohsen Sadatsafavi
Timothy Caulfield @caulfieldtim.bsky.social · 05/02/2025
Misinformation on social media is winning – scientists must adapt healthydebate.ca/2025/02/topi... via @healthydebate.bsky.social "It’s not just about vaccines or pandemics – misinformation about ADHD, cancer treatments, weight loss, fertility & chronic disease management thrives online."
healthydebate.ca
Misinformation on social media is winning – scientists must adapt or lose the battle - Healthy Debate
Scientists and health professionals must rethink how we communicate or risk further marginalization in the public discourse.
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Shayna Ghram-Kaiser @shaynalynn86.bsky.social · 02/02/2025
Sound familiar?
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Mohsen Sadatsafavi @msafavi.bsky.social · 02/02/2025
Hi American friends, you are about to see lots of 'buy Canadian', 'not traveling to US' etc from your Northern friends. This is our natural response to assault on our country. Don't take it personally, as we don't blame you for the actions of your President. We feel and share your pain! Your BF, 🇨🇦
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Mohsen Sadatsafavi @msafavi.bsky.social · 23/01/2025
RESP lab's latest paper is an #algorithmicfairness, led by PhD candidate @aminad.bsky.social, a methodological dive into the role of the "race variable" in the interpretation of spirometry. @ubcpharmsci.bsky.social #fairness #epitwitter
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Richard Riley (R²) @richarddriley.bsky.social · 13/01/2025
5 days left to submit an abstract for MEMTAB 2025 - we won't be extending after this.
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Reposted by Mohsen Sadatsafavi
MEMTAB conference 2025 @memtab.bsky.social · 10/01/2025
🎵 "Hello, is it me you're looking for?" - The #MEMTAB2025 extended deadline to your unfinished abstract! New deadline: Friday 17th January Because some methodological love stories need a little more time to unfold ❤️ Submit here:
buff.ly
Abstract Submission - MEMTAB 2025
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Reposted by Mohsen Sadatsafavi
Danielle Bitterman MD @daniellebitterman.bsky.social · 08/01/2025
TRIPOD-LLM is out! Check out our consensus guidelines for reporting #LLM research in biomedicine. TRIPOD-LLM is intended to be a living guideline to keep up with the rapid advances in LLMs. Kudos to lead author Dr. Jack Gallifant
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Mohsen Sadatsafavi @msafavi.bsky.social · 08/01/2025
I look forward to this conference with much enthusiasm. Thanks for inviting me! #episky
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MEMTAB conference 2025 @memtab.bsky.social · 02/01/2025
Join us for a pre-conference course on 29th April: An Intro to Clinical Prediction Models & Sample Size Calculations! Learn from experts like Dr Joie Ensor & Prof Richard Riley. Only £50. More info: buff.ly/40hOPZ2. #PredictionModels #MEMTAB2025
buff.ly
Pre-conference Courses - MEMTAB 2025
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Richard Riley (R²) @richarddriley.bsky.social · 18/12/2024
Christmas gift no. 5 MEMTAB 2025 pre-conference courses (April 29th) • £50 with registration Choose from: • "An Introduction to Clinical Prediction Models and Sample Size Calculations for Development & Evaluation" • "Systematic Reviews of Prognosis studies" uobevents.eventsair.com/memtab-2025/...
uobevents.eventsair.com
Pre-conference Courses - MEMTAB 2025
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Reposted by Mohsen Sadatsafavi
Maarten van Smeden @maartenvsmeden.bsky.social · 23/12/2024
Let us start 2025 in a positive mood: here are 10 methods things researchers can worry *less* about in 2025
media.tenor.com
a countdown clock with the number 10 in the center
ALT: a countdown clock with the number 10 in the center
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Mohsen Sadatsafavi @msafavi.bsky.social · 17/12/2024
Ah wish this had come a day earlier before my session! Hey #ML4H community. It was so nice catching up. Great conference! And this is right out of the oven from experts in clinical prediction modeling, very relevant to our discussions during heterogeneity/ generalizability round table.
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Anirban Basu @basucally.bsky.social · 13/12/2024
Excited to share some of my thoughts on mitigating discrimination when developing and using clinical algorithms @sherrirose.bsky.social @kdpsingh.bsky.social @dorisdukefdn.bsky.social jamanetwork.com/journals/jam...
jamanetwork.com
Mitigating Clinical Algorithmic Discrimination
This Viewpoint discusses 5 critical issues that should be considered when developing and using clinical algorithms to minimize algorithmic discrimination.
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Mohsen Sadatsafavi @msafavi.bsky.social · 02/12/2024
Great (and very well written - a joy to read) work by @giulianonetto.bsky.social and @keegankorthauer.bsky.social, with rigorous theory and extensive empirical analyses (and well documented software).
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Peter Tennant @pwgtennant.bsky.social · 02/12/2024
PLEASE SHARE: Registration is now open for the next Introduction to Causal Inference Course for Health & Social Scientists (7-11 July 2025, Leeds, UK). See more info & register here: www.causal.training Note, we are not planning any other courses until 2027. #CausalIntroCourse #EpiSky #CausalSky
Flyer for the Introduction to Causal Inference Course for Health & Social Scientists, taking place on 7th-11th July 2025
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Richard Riley (R²) @richarddriley.bsky.social · 14/11/2024
MEMTAB 2025 pre-conference courses news! 2 options: - An Introduction to Clinical Prediction Models and Sample Size Calculations for Model Development & Evaluation - Systematic Reviews of Prognosis Studies Just £50 when registering for conference! Details 👇 uobevents.eventsair.com/memtab-2025/...
uobevents.eventsair.com
Pre-conference Courses - MEMTAB 2025
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Mohsen Sadatsafavi @msafavi.bsky.social · 07/11/2024
mcmapper is a lightweight #rstats package from the RESP lab that recovers the parameters of a distribution for probabilities (e.g., beta, logit-normal) based on their c-statistic and expected value. It is available from CRAN: cran.r-project.org/web/packages... #episky #statsky
cran.r-project.org
mcmapper: Mapping First Moment and C-Statistic to the Parameters of Distributions for Risk
Provides a series of numerical methods for extracting parameters of distributions for risks based on knowing the expected value and c-statistics (e.g., from a published report on the performance of a ...
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Mohsen Sadatsafavi @msafavi.bsky.social · 19/10/2024
Repeating the matching process in a case-control study reduces the added noise due to sub-sampling of controls. From Belal, a brilliant PhD candidate at UBC School of Public Health. #episky
link.springer.com
Benefits of Repeated Matched-Cohort and Nested Case–Control Analyses with Time-dependent Exposure in Observational Studies - Statistics in Biosciences
Matched-cohort and nested case–control (NCC) analyses have been proposed as dynamic matching methods for exposure occurring over time. However, these methods might produce noisier estimates due to the...
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