Table 1.

Correlation analysis of renal function indexes in patients with liver cirrhosis

Variables	No. groups of data	Pearson coefficient or Spearman coefficient	P value
Correlation analysis of serum creatine in patients of liver cirrhosis
Cystatin C (mg/L)	223	0.31	0.000002
Serum β 2 microglobulin (mg/L)	32	0.526	0.002
Total bilirubin (μmol/L)	218	0.194	0.004
Direct bilirubin (μmol/L)	218	0.163	0.016
Alanine aminotransferase (U/L)	217	-0.021	0.756
Aspartate aminotransferase (U/L)	218	-0.01	0.881
Alkaline phosphatase (U/L)	218	-0.07	0.305
Glutamyl transpeptidase (U/L)	217	-0.111	0.102
Fucosidase (U/L)	217	0.12	0.078
Total bile acid (μmol/L)	216	0.113	0.098
Pre-albumin (mg/L)	204	0.164	0.019
Total protein (g/L)	206	0.022	0.749
Albumin (g/L)	207	-0.018	0.8
PT (s)	174	0.069	0.363
INR	174	0.074	0.335
Correlation analysis of Cystatin C in patients liver cirrhosis
Serum β 2 microglobulin (mg/L)	32	0.367	0.039
Total bilirubin (μmol/L)	217	0.156	0.021
Direct bilirubin (μmol/L)	217	0.146	0.032
Alanine aminotransferase (U/L)	217	-0.026	0.707
Aspartate aminotransferase (U/L)	217	0.06	0.376
Alkaline phosphatase (U/L)	217	0.027	0.688
Glutamyl transpeptidase (U/L)	217	-0.061	0.37
Fucosidase (U/L)	217	0.139	0.04
Total bile acid (μmol/L)	216	0.194	0.004
Pre-albumin (mg/L)	204	0.033	0.641
Total protein (g/L)	205	0.161	0.021
Albumin (g/L)	206	-0.037	0.597
PT (s)	173	0.065	0.399
INR	173	0.058	0.45
Correlation analysis of serum ß 2 microglobulin in patients of liver cirrhosis
Total bilirubin (μmol/L)	31	-0.219	0.237
Direct bilirubin (μmol/L)	31	-0.228	0.218
Alanine aminotransferase (U/L)	31	-0.16	0.389
Aspartate aminotransferase (U/L)	31	-0.17	0.359
Alkaline phosphatase (U/L)	31	-0.192	0.301
Glutamyl transpeptidase (U/L)	31	-0.216	0.244
Fucosidase (U/L)	31	0.049	0.792
Total bile acid (μmol/L)	31	-0.071	0.706
Pre-albumin (mg/L)	31	0.362	0.045
Total protein (g/L)	31	0.492	0.005
Albumin (g/L)	31	0.1	0.592
PT (s)	30	-0.059	0.756
INR	30	-0.122	0.522

PT: prothrombin time; INR: international normalized ratio.