RNASE3 and Increased total eosinophil count: Regarding the patients with increased ECP levels (n = 34), eosinophilia was also present in only 15% (n = 5) of the patients.Within the patients with initially increased ECP levels, 47% (16/34) had at some point during the course of their disease an eosinophilia, whereas 32% (7/22) of the patients with decreased ECP also experienced one.