In GCA, Baldini et al. identified an increase in serum VEGF in 75 patients relative to 24 controls (683.18 ± 69.74 pg/ml vs 226.35 ± 53.66 pg/ml, p < 0.001) and relative to 15 patients with RA (294.05 ± 56.49 pg/ml, p < 0.039) [14]. This evidence concerns the gene VEGFA and rheumatoid arthritis.