TABLE 5.

Relationship between AST/ALT and baseline demographic characteristics (7-years follow up).

Variables	AST/ALT ≤ 1.05	AST/ALT > 1.06	X2 or t	P
	(n = 42)	(n = 52)
Age, y	73.10 ± 7.833	71.37 ± 6.863	1.140	0.257
Education, y	12.60 ± 5.147	12.02 ± 3.534	0.642	0.523
Basline of MoCA	22.68 ± 8.589	22.75 ± 5.216	–0.404	0.687
Male, n (%)	12 (28.6)	20 (38.5)	1.102	0.384
Somker, n (%)	6 (14.3)	8 (15.4)	0.022	1.000
Drinker, n (%)	5 (11.9)	11 (21.2)	1.407	0.279
Tea drinker, n (%)	20 (47.6)	18 (34.6)	1.631	0.214
Take exercise, n (%)	24 (57.1)	38 (73.1)	2.267	0.128
Hypertension, n (%)	22 (52.4)	31 (59.6)	0.494	0.534
Diabetes, n (%)	5 (11.9)	9 (17.3)	0.535	0.566
Follow-up cognitive decline, n (%)	14 (32.7)	37 (70.8)	14.152	< 0.001*
The total protein, mmol/L	71.82 ± 4.160	73.38 ± 5.350	–1.485	0.141
Total bilirubin,mmol/L	10.78 ± 4.181	11.89 ± 11.88	–0.557	0.579
Creatinine, mmol/L	71.37 ± 15.16	71.73 ± 18.27	–0.093	0.926
Total cholesterol, mmol/L	5.12 ± 0.909	5.05 ± 1.260	0.316	0.752
Triglycerides, mmol/L	1.95 ± 1.228	1.50 ± 0.816	1.995	0.070
High density lipoprotein, mmol/L	1.19 ± 0.227	1.29 ± 0.400	–1.515	0.134
Low density lipoprotein, mmol/L	3.18 ± 0.765	3.37 ± 1.019	–0.927	0.356
Fasting plasma glucose, mmol/L	5.46 ± 1.861	5.03 ± 0.887	1.407	0.163
Follow-up of MOCA	21.67 ± 3.989	19.19 ± 5.089	2.629	0.010*
The whole brain volume, mm3	1478368.65	1420594.39	1.906	0.060
Left hippocampus, mm3	3687.22 ± 427.73	3529.82 ± 397.59	1.849	0.068
Right hippocampus, mm3	3903.44 ± 471.33	3668.94 ± 520.276	2.287	0.024*
Left amygdala, mm3	1537.50 ± 213.47	1462.60 ± 237.98	1.604	0.112
Right amygdala, mm3	1667.49 ± 222.83	1594.92 ± 277.75	1.394	0.167

MoCA, Montreal Cognitive Assessment; ALT, Alanine transferase; AST, Glutamyl transferase. *p < 0.05.