Table 2. Overview of investigated data sets.
| Name | Tissue | Sample number and origin | Expression array type | Rs2891168 AA/AG/GG | |
| S1 | GSE9372 from hapmap cell lines | Lympoblastoid cell lines | 57 CEU samples in triplicates | Affymetrix Human Exon 1.0 ST | 39/93/36 |
| S2 | GSE7851 from hapmap cell lines | Lympoblastoid cell lines | 87 CEU and 89 YRI samples | Affymetrix Human Exon 1.0 ST | 20/48/19 |
| S3 | BiKE database | Carotid plaque tissue from endarcteromies | 117 Swedish samples | Affymetrix HG-U133 plus 2.0 | 31/44/15 |
| S4 | ASAP MMed database | Medial mammary artery tissue | 88 Swedish samples | Affymetrix Human Exon 1.0 ST | 29/44/15 |
| S5 | ASAP AMed database | Medial aorta tissue | 89 Swedish samples | Affymetrix Human Exon 1.0 ST | 32/41/15 |