Table 4.

The outcome of the multivariate logistic regression model used to assess the influence of possible confounders

Variables	VRR > 50% at 6 months (yes = 1, no = 0)
	OR	95% CI	p value
Approach (ATN = 1, FTN = 0)	0.222	0.019–2.026	0.189
Delivered energy (J/mL)	0.999	0.998–1.001	0.141
Ablation time (min)	0.947	0.823–1.074	0.406
Hypoechogenicity (yes = 1, no = 0)	6.414	0.658–124.464	0.147

VRR volume reduction rate, OR odds-ratio, CI confidence interval, ATN adjustable-tip needle, FTN fixed-tip needle, TSH thyroid stimulating hormone