Association of the frequency of peripheral natural killer T cells with nonalcoholic fatty liver disease

Table 1 Data comparison between NAFLD patients and healthy controls (mean ± SE)

Variable	Healthy controls	NAFLD patients
Age (yr)	43.0 ± 1.3	43.0 ± 1.3
Height (cm)	166.7 ± 6.2	167.1 ± 6.9
Weight (kg)	62.6 ± 7.6	75.3 ± 10.4 b
Body mass index (kg/m2)	22.50 ± 0.29	26.91 ± 0.37 b
Waist circumference (cm)	80.2 ± 0.8	92.0 ± 1.1b
Hip circumference (cm)	93.7 ± 0.5	100.3 ± 0.7 b
Waist-hip ratio	0.856 ± 0.006	0.916 ± 0.006 b
Systolic blood pressure (mmHg)	119.5 ± 2.2	130.3 ± 2.0 b
Diastolic blood pressure (mmHg)	73.3 ± 1.4	81.0 ± 1.2 b
Alanine aminotransferase (U/L)	21.5 ± 1.8	46.9 ± 3.6 b
Aspartate aminotransferase (U/L)	24.4 ± 1.0	36.0 ± 2.8 b
Triglyceride (mmol/L)	1.712 ± 0.142	2.632 ± 0.144 b
Total cholesterol (mmol/L)	4.583 ± 0.111	4.973 ± 0.117 d
High density lipoprotein cholesterol (mmol/L)	1.264 ± 0.277	1.277 ± 0.033
Fasting blood sugar (mmol/L)	4.356 ± 0.068	5.567 ± 0.311b

^bP < 0.001 vs healthy controls;

^dP < 0.01 vs healthy controls.

Table 2 Results of the logistic regression analysis of risk factors for NAFLD

Variable	β	SE	Wald value	P-value	OR	95% CI of OR
NKT	-2.239	0.984	5.181	0.023	0.107	0.016-0.733
BMI	1.096	0.370	8.755	0.003	2.991	1.448-6.181
AST	0.138	0.062	4.960	0.026	1.148	1.017-1.296
FBS	1.142	0.459	6.186	0.013	3.133	1.274-7.707
Constant	-53.119	14.751	12.967	< 0.001	< 0.001	-

Β: partial regression coefficient; SE: standard error of partial regression coefficient; OR: odds ratio; CI: confidence interval; NKT: peripheral natural killer T cell frequency; BMI: body mass index; AST: aspartate aminotransferase; FBS: fasting blood sugar.