Table 1.

The Relationship Between Clinical Data and the CKD Stages of Patients

CKD Stages	CKD 2–3	CKD 4	CKD 5	P
Cases(n)	60	60	60
Gender(M/F)	38/22	41/19	34/26	0.419
Average age(Y)	54±13	56±12	58±15	0.265
Hemoglobin(g/L)	102.55±23.82	86.68±17.33	90.52±23.36	0.000
Albumin(g/L)	32.63±7.20	33.57±5.34	36.61±4.37	0.001
Urea(mmol/L)	10.20±5.19	18.41±8.15	24.08±10.11	0.000
Serum creatinine(umol/L)	230.61±185.52	491.72±215.32	845.09±334.18	0.000
GFR(mL/min)	47.04±14.00	21.84±5.01	10.14±2.13	0.000
Blood uric acid(umol/L)	360.67±100.35	440.81±169.23	574.33±95.34	0.000
B2 microglobulin(mg/L)	8.57±5.41	13.28±4.03	16.52±3.47	0.000
Correction of calcium(mmol/L)	2.38±0.10	2.23±0.12	2.06±0.15	0.000
Blood phosphorus(mmol/L)	1.22±0.27	1.59±0.42	1.92±0.56	0.000
Blood magnesium(mmol/L)	0.91±0.15	0.95±0.16	1.00±0.18	0.015
Osteocalcin(ng/mL)	47.99±35.82	104.43±73.22	197.32±78.88	0.000
PTH(pg/mL)	131.13±90.41	254.01±184.68	392.40±233.88	0.005
Serum 25-hydroxyvitamin D(ng/mL)	18.17±10.22	20.55±16.03	25.12±14.93	0.023
Osseous ALP(U/L)	77.27±11.56	81.33±15.15	86.36±18.18	0.005
Klotho(U/L)	159.05±27.53	127.58±16.85	87.06±15.14	0.000
FGF23(pg/mL)	494.60±64.85	721.17±92.05	1039.43±213.83	0.000