F2 and chronic kidney disease: MCV: mean corpuscular volume; MCH: mean corpuscular hemoglobin; MCHC: mean corpuscular hemoglobin concentration; RDW: red blood cell distribution width; MPV: mean platelet volume; PT: prothrombin time; PTT: partial thromboplastin time; INR: international normalized ratio; AGAP: anion gap; BUN: blood urea nitrogen; eGFR: estimated glomerular filtration rate; CKD-EPI: Chronic Kidney Disease Epidemiology Collaboration; UA: urinalysis.