This research revealed several factors associated with PAD, including CC motif chemokine 19, CD5 T-cell surface glycoprotein, CUB domain-containing protein 1, Signaling lymphocytic activation molecule, Fibroblast growth factor 23, Interferon gamma, Interleukin-15 receptor subunit alpha, Interleukin-17C, Interleukin-1-alpha, Interleukin-5, Latency-associated peptide transforming growth factor beta 1, Matrix metalloproteinase-10, among others. Here, IL15RA is linked to peripheral arterial disease.