Table 3.

Multiregression analysis of thyroid nodule volume.

	Independent Variables	Coeff.	Std. Error	t	p	rpartial	rsemipartial	VIF
	(Constant)	−96.9390
Ratio (%)	BMI	2.9434	1.8960	1.552	0.1279	0.2304	0.2135	7.013
	WC	−2.9136	2.9963	−0.972	0.3363	−0.1467	0.1337	6.757
	HOMA index	−0.1986	0.2972	−0.668	0.5075	−0.1014	0.09191	1.476
	TSH	0.07272	0.1126	0.646	0.5218	0.09802	0.08882	1.365
	FT4	−0.1454	0.4260	−0.341	0.7345	−0.05198	0.04693	1.382
	FT3	2.0563	0.9516	2.161	0.0363	0.3130	0.2972	3.114
	(Constant)	0.4233
Difference (Δ)	BMI	0.4208	0.2032	2.070	0.0445	0.3011	0.2698	9.362
	WC	−0.2482	0.2327	−1.067	0.2921	−0.1606	0.1390	1.939
	HOMA index	−0.1214	0.08968	−1.354	0.1828	−0.2022	0.1765	8.017
	TSH	0.05472	0.1251	0.437	0.6640	0.06656	0.05702	1.880
	FT4	−0.02535	0.1724	−0.147	0.8838	−0.02242	0.01917	1.373
	FT3	1.5362	0.5879	2.613	0.0123	0.3702	0.3406	2.860