Evidence map›Paper›PMID 28433996›Full record

ArticleCerebrovascular diseases extra2017

Factor XII as a Risk Marker for Hemorrhagic Stroke: A Prospective Cohort Study.

Kristina Johansson, Jan-Håkan Jansson, Lars Johansson, Ingemar Bylesjö, Torbjörn K Nilsson, Mats Eliasson, Stefan Söderberg, Marcus Lind

Open access · goldAbstract read
In one paragraph

Article in Cerebrovascular diseases extra, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed, 1 pooled it
0.3field-weighted citation impact, top 40% 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

8 citing papers in PubMed, 1 synthesis or guideline pooled it, 16 citations in OpenAlex.

  1. Factor XII-A New Therapeutic Target? A Systematic Review.International journal of molecular sciences · 2026
    Pooled it
  2. Review
  3. Article
  4. Review
  5. Article
  6. Article
  7. Article
  8. Review
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 at 1 institution in 1 country.

Kristina JohanssonDepartment of Public Health and Clinical Medicine, Skellefteå Research Unit, Umeå University, Umeå, Sweden.
Jan-Håkan JanssonDepartment of Public Health and Clinical Medicine, Skellefteå Research Unit, Umeå University, Umeå, Sweden.
Lars JohanssonDepartment of Public Health and Clinical Medicine, Skellefteå Research Unit, Umeå University, Umeå, Sweden.
Ingemar BylesjöDepartment of Public Health and Clinical Medicine, Family Medicine, Umeå University, Umeå, Sweden.
Torbjörn K NilssonDepartment of Medical Biosciences/Clinical Chemistry, Umeå University, Umeå, Sweden.
Mats EliassonDepartment of Public Health and Clinical Medicine, Sunderby Research Unit, Umeå University, Umeå, Sweden.
Stefan SöderbergDepartment of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden.
Marcus LindDepartment of Public Health and Clinical Medicine, Skellefteå Research Unit, Umeå University, Umeå, Sweden.
Umeå University · SE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundCoagulation factor XII (FXII) is involved in pathological thrombus formation and is a suggested target of anticoagulants. It is unclear whether FXII levels are correlated with cardiovascular risk factors and whether they are associated with myocardial infarction or ischemic or hemorrhagic stroke. The aim of this study was to investigate the correlation between FXII and cardiovascular risk factors in the general population. We also aimed to study the associations between FXII levels and future myocardial infarction and ischemic and hemorrhagic stroke.

methodsThis prospective cohort study measured FXII levels in 1,852 randomly selected participants in a health survey performed in northern Sweden in 1994. Participants were followed until myocardial infarction, stroke, death, or until December 31, 2011.

resultsDuring the median follow-up of 17.9 years, 165 individuals were diagnosed with myocardial infarction, 108 with ischemic stroke, and 30 with hemorrhagic stroke. There were weak correlations between FXII and body mass index, cholesterol, and hypertension. There was no association between FXII and myocardial infarction or ischemic stroke, neither in univariable Cox regression analysis nor after adjustment for age, sex, smoking, body mass index, cholesterol, hypertension, and diabetes. In univariable Cox regression analysis, the hazard ratio for the association between FXII levels and hemorrhagic stroke was 1.42 per SD (95% confidence interval: 0.99-2.05). In the multivariable model, higher levels of FXII were associated with increased risk of hemorrhagic stroke (hazard ratio 1.51 per SD; 95% confidence interval: 1.03-2.21).

conclusionWe found an independent association between FXII levels and the risk of hemorrhagic stroke, but not between FXII levels and ischemic stroke or myocardial infarction.

Indexed as

AdultAgedBiomarkersFactor XIIFemaleHealth SurveysHumansIntracranial HemorrhagesKaplan-Meier EstimateMaleMiddle AgedMultivariate AnalysisProportional Hazards ModelsProspective StudiesRisk AssessmentRisk FactorsBiomarkersFactor XIIBiomarkersCardiovascular diseaseCoagulationCohort studyIntracranial hemorrhage

Identifiers

PMID28433996
PMCPMC5437482
OpenAlexW2605790088

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
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.