CRP and myositis disease: Blood test revealed an elevated C-reactive protein (CRP) level (19.3 mg/dL) and white blood cell (WBC) count (15,100 cells/μL), with normal levels of creatinine kinase and myositis-related antibodies (antinuclear antibody, Jo-1, MDA5, Mi-2, TIF1g, RNA polymerase, and Scl-70).