While in the stage 5 CKD patients, the baseline levels of plasma iPTH, (1-84) PTH, and (7-84) PTH were 930.40 (160.65, 1792.50) pg/mL, 448.60 (99.62, 850.45) pg/mL, and 468.20 (54.22, 922.55) pg/mL, respectively. The gene discussed is PTH; the disease is chronic kidney disease.