Table 1.

Basic clinical characteristics of the samples in the research set.

	HFD	HD	p
No.	42	85
Age	50.88 ± 10.59	48.92 ± 12.82	0.39
Gender (male/female)	26/16	57/28	0.69
Primary disease			0.71
Chronic glomerulonephritis	26	47
Diabetic kidney disease	5	8
Hypertension	9	22
others	2	8
Dialysis age (month)	82.2 ± 29.4	75.1 ± 42.4	0.33
Hemoglobin (g/L)	108.24 ± 13.90	112.92 ± 14.60	0.09
Albumin (g/L)	41.50 ± 1.98	41.33 ± 2.40	0.69
Glutamic-pyruvic transaminase (U/L)	14.0 ± 8.8	14.3 ± 11.7	0.88
Pre-dialysis BUN (mmol/L)	27.01 ± 3.85	26.59 ± 4.40	0.59
Post-dialysis BUN (mmol/L)	8.84 ± 2.77	8.71 ± 2.40	0.79
Pre-dialysis Scr (umol/L)	1093.0 ± 235.6	1052.9 ± 248.6	0.36
Post-dialysis Scr (umol/L)	382.1 ± 130.9	386.2 ± 123.6	0.86
Kt/V	1.38 ± 0.27	1.35 ± 0.22	0.58
Pre-dialysis serum potassium (mmol/L)	5.07 ± 0.70	5.09 ± 0.82	0.86
Sodium (mmol/L)	134.10 ± 3.39	134.40 ± 3.23	0.64
Calcium (mmol/L)	2.37 ± 0.20	2.26 ± 0.19	0.85
Phosphorus (mmol/L)	2.14 ± 0.55	2.17 ± 0.58	0.76

Data are presented as mean ± SD.