Furthermore, patients with UTI had elevated serum levels of CRP (57 vs 23%, p < 0.001), leukocytes (55 vs. 42%, p = 0.021), neutrophil granulocytes (63 vs. 39%, p = 0.04), and creatinine (40 vs. 22%, p = 0.015). Here, CRP is linked to bacterial urinary tract infection.