| Predicted Trait | |
| Reported Trait | Mean platelet volume | 
| Mapped Trait(s) | platelet volume (OBA_0003277) | 
| Score Construction | |
| PGS Name | blood_MEAN_PLATELET_VOL.P+T.5e-08 | 
| Development Method | |
| Name | Pruning and Thresholding (P+T) | 
| Parameters | p < 5e-08 | 
| Variants | |
| Original Genome Build | GRCh37 | 
| Number of Variants | 14,380 | 
| Effect Weight Type | beta | 
| PGS Source | |
| PGS Catalog Publication (PGP) ID | PGP000332 | 
| Citation (link to publication) | Weissbrod O et al. Nat Genet (2022) | 
| Ancestry Distribution | |
| Source of Variant Associations (GWAS)  | European: 100% 327,205 individuals (100%)  | 
| PGS Evaluation | African: 25% East Asian: 25% European: 25% South Asian: 25% 4 Sample Sets  | 
| Study Identifiers | Sample Numbers | Sample Ancestry | Cohort(s) | 
|---|---|---|---|
| — | 327,205 individuals | European | UKB | 
| 
                          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  | 
                    
                    
|---|---|---|---|---|---|---|---|---|
| PPM014177 | PSS009803| African Ancestry| 6,153 individuals  | 
                        
                            PGP000332 | Weissbrod O et al. Nat Genet (2022)  | 
                        
                            Reported Trait: Mean Platelet Volume | — | — | Incremental R2 (full model vs. covariates alone): 0.0528 | age, sex, age*sex, assessment center, genotyping array, 10 PCs | — | 
| PPM014226 | PSS009804| East Asian Ancestry| 892 individuals  | 
                        
                            PGP000332 | Weissbrod O et al. Nat Genet (2022)  | 
                        
                            Reported Trait: Mean Platelet Volume | — | — | Incremental R2 (full model vs. covariates alone): 0.1077 | age, sex, age*sex, assessment center, genotyping array, 10 PCs | — | 
| PPM014275 | PSS009805| European Ancestry| 42,078 individuals  | 
                        
                            PGP000332 | Weissbrod O et al. Nat Genet (2022)  | 
                        
                            Reported Trait: Mean Platelet Volume | — | — | Incremental R2 (full model vs. covariates alone): 0.2311 | age, sex, age*sex, assessment center, genotyping array, 10 PCs | — | 
| PPM014324 | PSS009806| South Asian Ancestry| 7,770 individuals  | 
                        
                            PGP000332 | Weissbrod O et al. Nat Genet (2022)  | 
                        
                            Reported Trait: Mean Platelet Volume | — | — | Incremental R2 (full model vs. covariates alone): 0.1619 | age, sex, age*sex, assessment center, genotyping array, 10 PCs | — | 
| 
                          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 | 
|---|---|---|---|---|---|---|---|---|
| PSS009804 | — | — | 892 individuals | — | East Asian | — | UKB | — | 
| PSS009805 | — | — | 42,078 individuals | — | European | Non-British European | UKB | — | 
| PSS009806 | — | — | 7,770 individuals | — | South Asian | — | UKB | — | 
| PSS009803 | — | — | 6,153 individuals | — | African unspecified | — | UKB | — |