Table 2.

Comparison of general clinical data

Characteristics	Group without cognitive impairment	Group with cognitive impairment	P value
N	55	55
Age (years), mean ± sd	65.691 ± 5.4734	64.727 ± 4.8969	0.333
Gender [(%)], n (%)			0.550
Male	37 (67.3%)	34 (61.8%)
Female	18 (32.7%)	21 (38.2%)
Disease duration (years), mean ± sd	4.5735 ± 0.5541	4.4765 ± 0.55628	0.362
Hypertension [(%)], n (%)	23 (41.8%)	27 (49.1%)	0.444
Diabetes [(%)], n (%)	18 (32.7%)	20 (36.4%)	0.688
Economic status [(%)], n (%)			0.703
Good	29 (52.7%)	27 (49.1%)
Poor	26 (47.3%)	28 (50.9%)
Cr (μmol/L), mean ± sd	40.46 ± 5.6996	42.029 ± 6.6479	0.187
BUN (mmol/L), mean ± sd	22.558 ± 2.9468	22.531 ± 3.2853	0.964
ALB (g/L), mean ± sd	40.378 ± 2.2661	40.051 ± 2.8093	0.503
Hb (g/L), mean ± sd	101.85 ± 12.023	103.22 ± 11.071	0.535
TG (mmol/L), mean ± sd	2.9109 ± 0.53978	2.8582 ± 0.56296	0.617
TC (mmol/L), mean ± sd	6.2382 ± 0.56585	6.1927 ± 0.50876	0.659
Dialysis time (months), mean ± sd	27.584 ± 4.0854	28.845 ± 4.2711	0.116

Economic status, creatinine (Cr), blood urea nitrogen (BUN), serum albumin (ALB), hemoglobin (Hb), triglycerides (TG), total cholesterol (TC).