The following parameters were evaluated: gender, mean age, duration of the disease (DOD), CRP levels, skin involvement as reflected by the Psoriasis Area Severity Index (PASI), individual pain level as reflected by the VAS, treatment with one or more biological agents in the past/present, prevalence of arterial hypertension, prevalence of smoking, prevalence of statin treatment, prevalence of diabetes mellitus, pulse wave velocity (PWV), augmentation index (AIX), and eEPC-related parameters (CFU-ECs and CD133+/KDR+ cells). The gene discussed is KDR; the disease is psoriasis.