CRP and chronic kidney disease: Regarding group 3, the variables included pulse, systolic pressure, respiratory rate, leucocyte count, lymphocyte count, NLR, CRP, pct, albumin, low-density lipoprotein, BUN, D-dimer and comorbidities (electrolyte disturbance, cancer, chronic kidney disease, congestive heart failure, coronary heart disease, hypertension) (p < 0.05) (Table 1).