Polygenic Score (PGS) ID: PGS000131

Predicted Trait
Reported Trait Hemoglobin A1c
Mapped Trait(s) HbA1c measurement (EFO_0004541)
Additional Trait Information Score composed of glycemic variants associated with HbA1c, used to predict diabetes incidence
Released in PGS Catalog: March 27, 2020
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Score Details

Score Construction
PGS Name GS-G-AFR
Variants
Original Genome Build GRCh36
Number of Variants 19
Development Method
Name GWAS
Parameters Study-wide multi-ancestry GWAS significant SNPs
PGS Source
PGS Catalog Publication (PGP) ID PGP000064
Citation (link to publication) Wheeler E et al. PLoS Med (2017)
Ancestry Distribution
Source of Variant
Associations (GWAS)
African: 100%
7,564 individuals (100%)
PGS Evaluation
African: 100%
1 Sample Sets

Development Samples

Source of Variant Associations (GWAS)
Study Identifiers Sample Numbers Sample Ancestry
GWAS Catalog: GCST007952
Europe PMC: 28898252
7,564 individuals African American or Afro-Caribbean

Performance Metrics

Disclaimer: The performance metrics are displayed as reported by the source studies. It is important to note that metrics are not necessarily comparable with each other. For example, metrics depend on the sample characteristics (described by the PGS Catalog Sample Set [PSS] ID), phenotyping, and statistical modelling. Please refer to the source publication for additional guidance on performance.

PGS Performance
Metric ID (PPM)
PGS Sample Set ID
(PSS)
Performance Source Trait PGS Effect Sizes
(per SD change)
Classification Metrics Other Metrics Covariates Included in the Model PGS Performance:
Other Relevant Information
PPM000411 PSS000234|
African Ancestry|
1,906 individuals
PGP000064 |
Wheeler E et al. PLoS Med (2017)
Reported Trait: Incident type 2 diabetes OR: 1.0 [0.95, 1.05] age, sex

Evaluated Samples

PGS Sample Set ID
(PSS)
Phenotype Definitions and Methods Participant Follow-up Time Sample Numbers Age of Study Participants Sample Ancestry Additional Ancestry Description Cohort(s) Additional Sample/Cohort Information
PSS000234 Incident type 2 diabtes defined as fasting glucose >= 7 mmol/L, 2 hour glucose >= 11.1 mmol/L, antidiabetic medication use, or a physician diagnosis of type 2 diabetes Range = [10.0, 15.0] years
[
  • 262 cases
  • , 1,644 controls
]
,
37.93 % Male samples
Mean = 57.4 years
Sd = 7.43 years
African unspecified ARIC, MESA Partial overlap with discovery GWAS