Evidence map›Paper›PMID 32423965›Full record

ArticleBMJ open diabetes research & care2020

Proinsulin to insulin ratio is associated with incident type 2 diabetes but not with vascular complications in the KORA F4/FF4 study.

Cornelia Then, Christina Gar, Barbara Thorand, Cornelia Huth, Holger Then, Christa Meisinger, Margit Heier, Annette Peters, Wolfgang Koenig, Wolfgang Rathmann and 2 more

Open access · goldAbstract read
In one paragraph

Article in BMJ open diabetes research & care, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
1.6field-weighted citation impact, top 16% 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

9 citing papers in PubMed, 18 citations in OpenAlex.

  1. Article
  2. Article
  3. Review
  4. Article
  5. Article
  6. Article
  7. Review
  8. Article
  9. Prominent Hyperproinsulinemia in a Middle Age Patient.Clinical medicine insights. Case reports · 2021
    Article
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

12 authors at 6 institutions in 1 country.

Cornelia ThenMedizinische Klinik und Poliklinik IV, LMU Klinikum der Universität München, Munich, Germany cornelia.then@med.uni-muenchen.de.ORCID 0000-0001-5180-1973
Christina GarMedizinische Klinik und Poliklinik IV, LMU Klinikum der Universität München, Munich, Germany.
Barbara ThorandInstitute of Epidemiology, Helmholtz Zentrum München, Neuherberg, Germany.ORCID 0000-0002-8416-6440
Cornelia HuthInstitute of Epidemiology, Helmholtz Zentrum München, Neuherberg, Germany.
Holger ThenDepartment of Mathematics, Freie Waldorfschule Augsburg, Augsburg, Germany.
Christa MeisingerInstitute of Epidemiology, Helmholtz Zentrum München, Neuherberg, Germany.
Margit HeierInstitute of Epidemiology, Helmholtz Zentrum München, Neuherberg, Germany.
Annette PetersInstitute of Epidemiology, Helmholtz Zentrum München, Neuherberg, Germany.
Wolfgang KoenigInstitute of Epidemiology and Medical Biometry, Ulm University, Ulm, Germany.
Wolfgang RathmannGerman Diabetes Center, Institute of Biometrics and Epidemiology, Leibniz Institute at Heinrich Heine University Düsseldorf, Düsseldorf, Germany.
Andreas LechnerMedizinische Klinik und Poliklinik IV, LMU Klinikum der Universität München, Munich, Germany.
Jochen SeisslerMedizinische Klinik und Poliklinik IV, LMU Klinikum der Universität München, Munich, Germany.
Helmholtz Zentrum München · DEDeutsches Diabetes-Zentrum e.V. · DELMU Klinikum · DEUniversität Ulm · DEUniversity Hospital Augsburg · DEUniversity of Augsburg · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

introductionWe investigated the association of the proinsulin to insulin ratio (PIR) with prevalent and incident type 2 diabetes (T2D), components of the metabolic syndrome, and renal and cardiovascular outcomes in the population-based Cooperative Health Research in the Region of Augsburg (KORA) F4 study (2006-2008)/FF4 study (2013-2014). RESEARCH DESIGN AND

methodsThe analyses included 1514 participants of the KORA F4 study at baseline and 1132 participants of the KORA FF4 study after a median follow-up time of 6.6 years. All-cause and cardiovascular mortality as well as cardiovascular events were analyzed after a median time of 9.1 and 8.6 years, respectively. The association of PIR with T2D, renal and cardiovascular characteristics and mortality were assessed using logistic regression models. Linear regression analyses were used to assess the association of PIR with components of the metabolic syndrome.

resultsAfter adjustment for sex, age, body mass index (BMI), and physical activity, PIR was associated with prevalent (OR: 2.24; 95% CI 1.81 to 2.77; p<0.001) and incident T2D (OR: 1.66; 95% CI 1.26 to 2.17; p<0.001). PIR was associated with fasting glucose (β per SD: 0.11±0.02; p<0.001) and HbA1c (β: 0.21±0.02; p<0.001). However, PIR was not positively associated with other components of the metabolic syndrome and was even inversely associated with waist circumference (β: -0.22±0.03; p<0.001), BMI (β: -0.11±0.03; p<0.001) and homeostatic model assessment of insulin resistance (β: -0.22±0.02; p<0.001). PIR was not significantly associated with the intima-media thickness (IMT), decline of kidney function, incident albuminuria, myocardial infarction, stroke, cardiovascular or all-cause mortality.

conclusionsIn the KORA F4/FF4 cohort, PIR was positively associated with prevalent and incident T2D, but inversely associated with waist circumference, BMI and insulin resistance, suggesting that PIR might serve as a biomarker for T2D risk independently of the metabolic syndrome, but not for microvascular or macrovascular complications.

Indexed as

Cardiovascular DiseasesDiabetes Mellitus, Type 2Carotid Intima-Media ThicknessHumansInsulinProinsulinInsulinProinsulindiabetes mellitus, type 2metabolic syndromemortalityproinsulin

Identifiers

PMID32423965
PMCPMC7245418
OpenAlexW3026838429

What Socratic holds

Textmetadata
LicenceCC BY-NC
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 Socratic graph.