Insulin Resistance Associated with Plasma Xanthine Oxidoreductase Activity Independent of Visceral Adiposity and Adiponectin Level: MedCity21 Health Examination Registry

Table 3

Multiple regression analysis of factors associated with plasma XOR activity including VFA and SFA.

Independent variable	Percentile		Coefficient			value	VIF
	25th	75th	Difference	95% LCI	95% UCI
Age	47	67	0.052	−0.026	0.130	0.192	1.668
Sex (male = 1, female = 0)	0	1	0.110	0.015	0.206	0.024	1.520
Alcohol drinking habit (present = 1, absent = 0)	0	1	−0.065	−0.155	0.025	0.154	1.225
Smoking habit (present = 1, absent = 0)	0	1	0.073	−0.032	0.178	0.172	1.211
ALT	13.0	25.0	0.228	0.173	0.283	0.001	1.693
HbA1c	5.5	6.0	0.058	0.006	0.109	0.028	1.466
eGFR	66.3	86.5	0.062	−0.006	0.130	0.075	1.543
VFA and SFA	153.7	265.1	0.027	−0.050	0.104	0.498	2.535
Log adiponectin	0.813	1.041	−0.050	−0.112	0.012	0.072	1.778
Log HOMA-IR	−0.046	0.322	0.108	0.030	0.185	0.021	2.344

Abbreviations: XOR, xanthine oxidoreductase; ALT, alanine aminotransferase; HbA1c, glycated hemoglobin; eGFR, estimated glomerular filtration rate; VFA, visceral fat area; SFA, subcutaneous fat area; HOMA-IR, homeostatic model assessment of insulin resistance; LCI, lower confidence interval; UCI, upper confidence interval; VIF, variance inflation factor.