CRP and acute kidney injury: Listed in descending order of relevance, the aforementioned parameters are age, CURB-65 scale on admission, urea, procalcitonin, estimated glomerular filtrate, lymphocytes, C-reactive protein, acute renal failure, albumin, PRONO sessions, oxygen requirements, Glasgow Coma Scale, ischemic heart disease, invasive mechanical ventilation (IMV), creatinine, shock, noninvasive mechanical ventilation (NIMV), APACHE-II scale and chronic renal failure.