^a)At the time additional prednisolone was started. ^b)Reference range: 23.0–46.0 U/mL. ^c)Reference range: 50–200 ng/mL. ^d)Reference range: 3.7–31.5 mIU/mL. ^e)CD55-negative cells/CD59-negative cells.

Abbreviations: CI, cerebral infarction; CKD, chronic kidney disease; LDH, lactate dehydrogenase; NT, not tested; Pd, low-dose prednisolone treatment (5 mg/day); RPI, red cell production index.