Polygenic Score (PGS) ID: PGS000112

Predicted Trait
Reported Trait Reticulocyte fraction of red cells
Mapped Trait(s) reticulocyte count (EFO_0007986)
Additional Trait Information RET%
Released in PGS Catalog: Feb. 19, 2020
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Score Details

Score Construction
PGS Name ret_p
Variants
Original Genome Build GRCh37
Number of Variants 572
Development Method
Name Regularized Regression (Elastic Net)
Parameters Variants included in the regression were selected according to their GWAS significance (p < 8.31e-9) and a subsequent conditional analysis (r2 threshold = 0.9); effect sizes of variants are estimated by regularized regression
PGS Source
PGS Catalog Publication (PGP) ID PGP000051
Citation (link to publication) Xu Y et al. bioRxiv (2020) Preprint

Contributing Samples

Source of Variant Associations (GWAS)
Study Identifiers Sample Numbers Sample Ancestry
396,811 individuals,
46.0 % Male samples
 European
Score Development/Training
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
— — 317,449 individuals,
46.0 % Male samples
 Mean = 57.23 years
Range = [38.87, 72.44] years		 European — UKB —

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 ID) 		PGS Sample Set ID
(PSS ID) 		Performance Source Trait PGS Effect Sizes
(per SD change) 		PGS Classification Metrics Other Metrics Covariates Included in the Model PGS Performance: Other Relevant Information
PPM000256 PSS000177 PGP000051 Xu Y et al. (2020) Pre Reported Trait: Reticulocyte fraction of red cells — — Pearson correlation coefficent (r): 0.4316 age, sex, 10 PCs of ancestry, lifestyle factors (diet, smoking, alcohol consumption), technical covariates (the time between venepuncture and full blood cell analysis, seasonal effects, centre of sample collection, time dependent drift of equipment, systematic differences in equipment) UKB Testing Set - these samples were held out from Score Development (regression training) but overlap with the samples used for variant selection (GWAS)
PPM000257 PSS000151 PGP000051 Xu Y et al. (2020) Pre Reported Trait: Reticulocyte fraction of red cells — — Pearson correlation coefficent (r): 0.423 age, sex, 10 PCs of ancestry, lifestyle factors (diet, smoking, alcohol consumption), technical covariates (the time between venepuncture and full blood cell analysis, seasonal effects, centre of sample collection, time dependent drift of equipment, systematic differences in equipment) —

Evaluated Samples

PGS Sample Set ID
(PSS ID) 		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
PSS000151 — — 40,286 individuals,
49.0 % Male samples
 Mean = 43.84 years
Range = [18.0, 76.4] years		 European — INTERVAL —
PSS000177 — — 79,362 individuals,
46.0 % Male samples
 Mean = 57.22 years
Range = [39.66, 72.91] years		 European — UKB —