CRP and chronic kidney disease: Laboratory examination showed pancytopenia (WBC 2370/mmc, Hb 10.5 g/dl, PLT 76.000/mmc), renal impairment (sCreat 3.7 mg/dl, eGFR CKD-EPI 19 ml/min), elevated C-reactive protein (CRP 12 mg/dl), and elevated ferritin (902 ng/ml).