CR IN MG
SERUM CR
SERUM FERRITIN
RETIC HB CONTENT
SERUM HEPCIDIN ASSAY
RECODE of agegrp1
RECODE of CKD (CKD)
RECODE of chr2
RECODE of ckdstag
RECODE of st_new
RECODE of hb2
RECODE of GENDER (GENDER)
Linear prediction (log odds)