Atherogenic index of plasma combined with waist circumference and body mass index to predict metabolic-associated fatty liver disease

Table 6 Data comparison between training set and validation set

Variable	Training set, n = 864	Validation set, n = 131	P value
Sex, female	240 (27.8)	38 (29.0)	0.770
Age in yr	39.820 ± 10.934	39.660 ± 10.861	0.885
Smoking history	255 (29.5)	38 (29.0)	0.906
Drinking history	221 (25.6)	24 (18.3)	0.072
WC in cm	92.490 ± 10.522	93.690 ± 10.759	0.057
BMI in kg/m2	26.563 ± 3.653	27.055 ± 3.772	0.155
SBP in mmHg	130.460 ± 16.517	129.090 ± 16.822	0.386
DBP in mmHg	80.730 ± 12.464	78.560 ± 12.192	0.063
ALT in U/L	28.0 (19.0, 42.0)	28.0 (19.0, 43.0)	0.837
AST in U/L	21.0 (18.0, 26.0)	22.0 (18.0, 26.0)	0.612
TC in mmol/L	4.683 ± 0.888	4.607 ± 0.865	0.349
TG in mmol/L	1.5 (1.0, 2.2)	1.6 (1.0, 2.5)	0.307
HDL-C in mmol/L	1.256 ± 0.279	1.241 ± 0.293	0.533
LDL-C in mmol/L	2.800 ± 0.826	2.763 ± 0.769	0.651
FBG in mmol/L	5.3 (5.0, 5.7)	5.2 (4.9, 5.8)	0.326
SUA in μmol/L	359.434 ± 88.800	342.901 ± 88.448	0.052
AIP	0.09 (-0.13, 0.30)	0.12 (-0.13, 0.33)	0.306

Data are presented as median and interquartile range, mean ± SD, or n (%). WC: Waist circumference; BMI: Body mass index; SBP: Systolic blood pressure; DBP: Diastolic blood pressure; ALT: Alanine aminotransferase; AST: Aspartate aminotransferase; TC: Total cholesterol; TG: Triglyceride; HDL-C: High-density lipoprotein cholesterol; LDL-C: Low-density lipoprotein cholesterol; FBG: Fasting blood glucose; SUA: Serum uric acid; AIP: Atherogenic index of plasma.