Table 1. Characteristics of the gene expression profiles.
GEO ID | Contributors | Country | Year | Sample size | Mean age | Platform | Probes | DEGs |
GSE83453 | Bossé Y | Canada | 2016 | male: 17 | 62.4 ± 4.7 | Illumina HumanHT-12 V4.0 | 47323 | 5425 |
GSE51472 | Rysä J | Finland | 2015 | male: 10 | NA | HG-U133_Plus_2 | 54675 | 13575 |
GSE12644 | Bosse Y, Pibarot P, Mathieu P | Canada | 2009 | male: 10 | 65.4 ± 5.8 | HG-U133_Plus_2 | 54675 | 9125 |
2017 | male: 10 | 55.7 ± 10.8 | 3137 |
DEGs: differentially expressed genes (P < 0.05); NA: not available.