DIDO1 and chronic kidney disease: The positive rates of DIDO1-Ab in HDs and patients with type 1, type 2, and type 3 CKD were 7.3%, 43.4%, 37.5%, and 26.8%, respectively, and those of FOXJ2-Ab were 3.7%, 28.3%, 34.4%, and 13.8%, respectively (Table 4).