Evidence map›Paper›PMID 35434739›Full record

ArticleAmerican journal of epidemiology2022

Relationship Between Level of American Football Playing and Diagnosis of Chronic Traumatic Encephalopathy in a Selection Bias Analysis.

Jessica LeClair, Jennifer Weuve, Matthew P Fox, Jesse Mez, Michael L Alosco, Chris Nowinski, Ann McKee, Yorghos Tripodis

Open access · bronzeAbstract read
In one paragraph

Article in American journal of epidemiology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.

0numbers the graph read from it
0cells of the map it votes in
30citing papers in PubMed
6.2field-weighted citation impact, top 3% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

30 citing papers in PubMed, 43 citations in OpenAlex.

  1. Review
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  12. Molecular neurodegeneration · 2025
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors.

Jessica LeClair
Jennifer Weuve
Matthew P Fox
Jesse Mez
Michael L Alosco
Chris Nowinski
Ann McKee
Yorghos Tripodis

Funding

Project-005UL1TR001430 · NCATS · BOSTON UNIVERSITY MEDICAL CAMPUS · PI BAIR-MERRITT, MEGAN H, CENTER, DAVID M. · 2015 to 2024
$52.3M
Neuropathology CoreP30AG013846 · NIA · BOSTON UNIVERSITY MEDICAL CAMPUS · PI KOWALL, NEIL W. · 1996 to 2020
$29.1M
Chronic Traumatic Encephalopathy: Detection, Diagnosis, Course, and Risk FactorsU01NS093334 · NINDS · BOSTON UNIVERSITY MEDICAL CAMPUS · PI CUMMINGS, JEFFREY L., REIMAN, ERIC MICHAEL · 2016 to 2022
$17.0M
Traumatic Brain Injury and Repetitive Head Impacts: Contributions to AD/ADRD and CTE Neuropathology and Resulting Clinical SyndromesU54NS115266 · NINDS · BOSTON UNIVERSITY MEDICAL CAMPUS · PI STEIN, THOR · 2019 to 2023
$10.3M
CTE and Posttraumatic Neurodegeneration: Neuropathology and Ex Vivo ImagingU01NS086659 · NINDS · BOSTON UNIVERSITY MEDICAL CAMPUS · PI MCKEE, ANN C. · 2014 to 2017
$6.1M
Leveraging Existing Aging Research Networks to investigate TBI and AD/ADRD risk (LEARN TBI & AD)R01AG061028 · NIA · ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI · PI DAMS-O'CONNOR, KRISTEN, MEZ, JESSE BENJAMIN · 2019 to 2023
$5.9M
Tau Pathology in CTE vs. Alzheimer's Disease: Microvasculopathy and NeuroinflammationRF1AG057902 · NIA · BOSTON UNIVERSITY MEDICAL CAMPUS · PI MCKEE, ANN C. · 2017 to 2017
$4.1M
Epigenetic changes in synaptic and inflammatory genes involved in the age-dependent development of Alzheimer's disease pathologies andcognitive declineRF1AG054156 · NIA · BOSTON UNIVERSITY MEDICAL CAMPUS · PI AU, RHODA, RYU, HOON · 2016 to 2018
$3.4M
Interdisciplinary Training for BiostatisticiansT32GM074905 · NIGMS · BOSTON UNIVERSITY MEDICAL CAMPUS · PI WHITE, LAURA FORSBERG · 2005 to 2019
$3.0M
Chronic Traumatic Encephalopathy: Clinical Presentation and BiomarkersR01NS078337 · NINDS · BOSTON UNIVERSITY MEDICAL CAMPUS · PI STERN, ROBERT A · 2011 to 2013
$2.0M
Repetitive Head Impact Exposure and Later-Life White Matter Signal Abnormalities: An Investigation in Former NFL Players, Subjects with Alzheimer's Disease, and Cognitively Normal ControlsK23NS102399 · NINDS · BOSTON UNIVERSITY MEDICAL CAMPUS · PI ALOSCO, MICHAEL · 2018 to 2022
$793k
Chronic Traumatic Encephalopathy: Clinical Presentation and BiomarkersR56NS078337 · NINDS · BOSTON UNIVERSITY MEDICAL CAMPUS · PI STERN, ROBERT A · 2014 to 2014
$786k
CSRD VA I01 CX001135NCATS NIH HHS UL1 TR001430NIA NIH HHS K23 AG046377NIA NIH HHS P30 AG013846NIA NIH HHS R01 AG061028NIA NIH HHS RF1 AG054156NIA NIH HHS RF1 AG057902NICHD NIH HHS R21 HD089088NIGMS NIH HHS T32 GM074905NINDS NIH HHS F32 NS096803NINDS NIH HHS K23 NS102399NINDS NIH HHS R01 NS078337NINDS NIH HHS R56 NS078337NINDS NIH HHS U01 NS086659NINDS NIH HHS U01 NS093334NINDS NIH HHS U54 NS115266
6 · The paper itself

Abstract

Chronic traumatic encephalopathy (CTE) is a neurodegenerative disease associated with exposure to repetitive head impacts such as those from American football. Our understanding of this association is based on research in autopsied brains, since CTE can only be diagnosed postmortem. Such studies are susceptible to selection bias, which needs to be accounted for to ensure a generalizable estimate of the association between repetitive head impacts and CTE. We evaluated the relationship between level of American football playing and CTE diagnosis after adjusting for selection bias. The sample included 290 deceased male former American football players who donated their brains to the Veterans Affairs-Boston University-Concussion Legacy Foundation (VA-BU-CLF) Brain Bank between 2008 and 2019. After adjustment for selection bias, college-level and professional football players had 2.38 (95% simulation interval (SI): 1.16, 5.94) and 2.47 (95% SI: 1.46, 4.79) times the risk of being diagnosed with CTE as high-school-level players, respectively; these estimates are larger than estimates with no selection bias adjustment. Since CTE is currently diagnosed only postmortem, we additionally provide plausible scenarios for CTE risk ratios for each level of play during the former players' lifetime. This study provides further evidence to support a dose-response relationship between American football playing and CTE.

Indexed as

Brain ConcussionChronic Traumatic EncephalopathyFootballNeurodegenerative DiseasesBrainHumansMaleAmerican footballautopsychronic traumatic encephalopathyfootballprobabilistic analysisrepetitive head injuryselection bias

Identifiers

PMID35434739
PMCPMC9989358
OpenAlexW4224257418

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.