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Fan Li

@FanLi90

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Associate Professor, Department of Biostatistics @ysphbiostat @YaleSPH. Biostatistics, clinical trials, observational studies, causal inference, clustered data.

New Haven, CT
Joined December 2017
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@Michael_Harhay
Michael Harhay
4 months
Trial Analysis & Interpretation in Critical Care Using the Evidential (Likelihood) Approach OA @ATSBlueEditor: https://t.co/xCmMgHfHaN Frequentist, Bayesian, & evidential approaches form a complementary toolkit for critical care research. @f_g_zampieri @FanLi90 @nualameyer
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@FanLi90
Fan Li
7 months
At the Center for Methods in Implementation and Prevention Science (CMIPS) at the Yale School of Public Health @YaleSPH, we develop and apply rigorous biostatistical and epidemiological methods to address these gaps and accelerate real-world impact.
@YaleSPH
Yale School of Public Health
7 months
"Without any new cures for anything, we could actually prevent and mitigate 80% or more of most of the world's health problems." That's where #ImplementationScience comes in. Learn more: https://t.co/DvFZKQlCFJ @FanLi90 @LDavisMD https://t.co/la2GovXMv8
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@ColinBBegg
Colin Begg
11 months
Bothered by the proliferation of stepped-wedge clinical trials with very few clusters? Guanyu Tong and colleagues study this issue and offer advice. @TonyGuangyuTONG @YaleCardiology @ysphbiostat @SCTorg @MonicaTaljaard
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@YaleSPH
Yale School of Public Health
11 months
Big data is transforming public health and society like never before. This summer, we are launching the Big Data Summer Immersion at Yale (BDSY), an interdisciplinary training, research, and professional development program in biostatistics. 1/4 https://t.co/H5DAu275S7
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@FanLi90
Fan Li
11 months
Ready to transform your analytical skills in the BIG data era? Join us at @YaleSPH for the Big Data Summer Immersion program! This 6-week program introduces undergraduate students to cutting-edge challenges in Big Data, Statistics, and Human Health. Applications open on Dec 15.
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@xcyale
Xi Chen | 陈希
1 year
@HuoShutong @Jiao_Jo_Yu @geronsociety @YaleSPH @Yale_OAIC @rolandjthorpe @Zhuoer_Lin @ZyLiuYale @BeccaLevyPhD @XYinOSU . @Yuting_Qian_ presents work “Multilevel Factors Associated With Racial and Ethnic Disparities in Timely Diagnosis of Dementia in US Older Adults” in a session on #Alzheimer's disease and related dementias. Joint work w @FanLi90 @geronsociety @YaleSPH @Yale_OAIC @YaleHPM 8/
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@FanLi90
Fan Li
1 year
In this new paper led by @BingkaiWang, we showed that stepped wedge randomization can guard against covariate, random-effects, and error structure misspecifications, though treatment effect structure still requires careful consideration. https://t.co/fl7jj7nkhk
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academic.oup.com
ABSTRACT. A stepped wedge design is an unidirectional crossover design where clusters are randomized to distinct treatment sequences. While model-based ana
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@YaleNephrology
Yale Nephrology
1 year
@Nephronette presented her RCT of Early, Individualized Recommendations for Hospitalized Patients With AKI on the big stage at @ASNKidney #KidneyWk as it was being released online in @JAMA_current ! Check it out 👇! Congrats to the whole KAT-AKI Team! https://t.co/dBaXNN7ltD
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jamanetwork.com
This randomized clinical trial tested whether recommendations from a kidney action team tailored to individual patients presenting with acute kidney injury would improve clinical outcomes, kidney...
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@FanLi90
Fan Li
1 year
Excited to share our new paper in Biometrika! We make quantile causal inference accessible by introducing an inverse estimating equations approach that extends causal estimation from mean potential outcomes to their quantiles.
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academic.oup.com
Summary. The causal inference literature frequently focuses on estimating the mean of the potential outcome, whereas quantiles of the potential outcome may
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@FanLi90
Fan Li
1 year
Curious about extremely small stepped wedge cluster randomized trials (SW-CRTs)? Our latest paper, led by @TonyGuangyuTONG, explores the landscape of published SW-CRTs with <= 6 clusters. Take a look at what we found! https://t.co/OaMouvHvRz @ColinBBegg @SteppedWedgehog
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journals.sagepub.com
Background/Aims Stepped-wedge cluster randomized trials tend to require fewer clusters than standard parallel-arm designs due to the switches between control an...
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@rohan_khera
Rohan Khera
1 year
Excited to announce that @cards_lab is launching the DETECT-AS Study w R01 funding from @NIH/@NIHAging Details: https://t.co/7JsdNESeQF - Multicenter RCT of AI-enabled automated detection of aortic stenosis on ECG + POCUS - precision prognostication w DASSi
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@FanLi90
Fan Li
1 year
Grateful to @PCORI for funding this work!
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@FanLi90
Fan Li
1 year
Excited to share that our new paper is now online! We formalized average treatment effect estimands in stepped wedge cluster randomized trials and show that linear regression can provide robust & estimand-aligned inference under informative cluster sizes https://t.co/uxPaC80qud
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onlinelibrary.wiley.com
Stepped wedge cluster randomized experiments (SW-CREs) represent a class of unidirectional crossover designs. Although SW-CREs have become popular, definitions of estimands and robust methods to...
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@Collaboratory1
NIH Pragmatic Trials Collaboratory
1 year
Members of our Biostatistics and Study Design Core tested the performance of various analytic models for individually randomized group treatment trials in which complex clustering arises from participants interacting with multiple intervention agents. ➡️ https://t.co/90rGtzzaMq
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@ColinBBegg
Colin Begg
1 year
Does the hazard ratio have a causal interpretation? Should Cox modeling be used in analyzing clinical trials? Read all about it in this point-counterpoint of Michael Fay and Fan Li versus Dan Heitjan. @SCTorg @YaleSPH @SouthernMethod @FanLi90
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@ColinBBegg
Colin Begg
1 year
Chao Cheng and colleagues show how to examine causal effects on the survival probability scale in the presence of treatment noncompliance in clinical trials. @FanLi90 @YaleSPH @SCTorg #clinicaltrials
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@SteppedWedgehog
Stepped Wedgehog
1 year
📢Abstract deadline extension: the deadline for abstracts to the 10th Annual Meeting on Current Developments in Cluster Randomised Trials & Stepped Wedge Designs (13-14 Nov, Birmingham UK) has been extended to 5th July. Submit as Word/PDF to crt-swd@contacts.bham.ac.uk.
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@FanLi90
Fan Li
1 year
@lyhuStatree We are grateful for PCORI @PCORI for funding this work!
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@FanLi90
Fan Li
1 year
If you are interested in causal inference with time-dependent treatments beyond the mean, please check out at our most recent paper on marginal structural quantile models. This work is led by my PhD student Chao Cheng, and jointly with @lyhuStatree https://t.co/yf0cNAUtkM
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academic.oup.com
ABSTRACT. The marginal structure quantile model (MSQM) provides a unique lens to understand the causal effect of a time-varying treatment on the full distr
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@FanLi90
Fan Li
1 year
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