表 1. General information of patients with stage 3-5 CKD.

CKD 3～5期患者的一般资料

Group	n	Age/yr.	(Male/female)/case	BMI/(kg/m2)	ALB/(g/L)	eGFR/(mL/(min 1.73 m2))
*P<0.05, vs. control group; #P<0.05, vs. CKD stage 3 group;▲P<0.05, vs. CKD stage 4 group.
Control	60	55.35±8.14	38/22	22.76±2.57	40.34±4.20	97.21±14.52
CKD stage 3	38	54.81±8.54	21/17	23.84±2.75	39.63±4.32	42.83±6.74*
CKD stage 4	42	55.26±7.68	26/16	24.26±2.82	36.81±4.65*，#	21.54±4.21*，#
CKD stage 5 without dialysis	59	57.72±7.94	30/29	23.17±2.51	34.52±4.29*，#，▲	6.24±1.13*，#，▲
CKD stage 5 hemodialysis	229	57.83±8.72	142/87	22.65±2.62	33.74±4.80*，#，▲	6.68±1.16*，#，▲
t/χ2		2.325	3.142	2.330	34.165	2 934.953
P		0.056	0.534	0.055	<0.001	<0.001