表 6. Correlation between eGFR, bone metabolic markers, osteoporosis and cardiovascular calcification in patients with stage 3-5 CKD.

CKD 3～5期患者的eGFR、骨代谢标志物与骨质疏松、心血管钙化之间的相关性

Item	Osteoporosis (r/P)	Vascular calcification (r/P)	Cardiac valve calcification (r/P)
eGFR	−0.382/<0.001	−0.641/<0.001	−0.421/<0.001
Ca	−0.244/0.023	−0.327/0.002	−0.273/0.008
P	0.303/<0.001	0.495/<0.001	0.420/<0.001
iPTH	0.457/<0.001	0.695/<0.001	0.583<0.001
BALP	0.441/<0.001	0.683/<0.001	0.526/<0.001
PINP	0.333/<0.001	0.512/<0.001	0.442/<0.001
β-CTX	0.359/<0.001	0.471/<0.001	0.428/<0.001