The plasma levels of PF4 were 137.4 (82.3–298.3), 108.1 (59.5–218.2), 92 (72.4–200.5), and 51.9 (8.9–94.9) ng/mL in subjects with CKD stage G1, G2, G3, and G4, respectively. The gene discussed is PF4; the disease is chronic kidney disease.