A community-based epidemiological study of elevated serum alanine aminotransferase levels in Kinmen, Taiwan

Table 2 Comparison of characteristics of elevated serum ALT level among subjects aged 30 and over in Kinmen (mean±SD).

Variable	Level of ALT (U/L)
	<40 (U/L)(n = 11 074)	≥40 (U/L)(n = 851)	Total(n = 11 898)	P-valuefor t test
Age (yr)	49.7±13.3	47.912.2	49.613.2	0.0001
BMI (kg/m2)	23.3±3.4	24.63.4	23.43.5	<0.0001
Waist circumference (cm)	82.7±10.1	86.69.7	83.110.2	<0.0001
FPG (mg/dL)	100.3±28.2	105.4±28.8	100.9±28.2	<0.0001
SBP (mmHg)	129.8±21.0	132.7±19.7	129.9±20.9	<0.0001
DBP (mmHg)	80.0±12.4	83.5±12.0	80.3±12.4	<0.0001
Cholesterol (mg/dL)	201.4±39.5	211.3±44.2	202.2±40.0	<0.0001
Triglyceride (mg/dL)	91.8±57.7	120.9±79.2	93.9±60.0	<0.0001
HDL (mg/dL)	56.5±20.0	55.9±23.9	56.5±20.5	0.49
BUN (mg/dL)	16.6±5.5	16.8±5.1	16.6±5.5	0.39
Creatinine (mg/dL)	0.79±0.31	0.84±0.26	0.79±0.31	<0.0001
Uric acid (mg/dL)	5.5±1.6	6.3±1.7	5.6±1.6	<0.0001