CI-AKI risk score = 0.2232*DM + 0.2188* acute MI + 0.013*years since drinking + 0.0025*SBP – 0.4489*sex – 0.0001*LDH – 0.0011* Hs-CRP – 0.725*CKD – 0.0013* stage of CKD – 0.1994*stroke – 2.0130. Here, CRP is linked to chronic kidney disease.