Table 4. Characteristics of Patients Stratified by Nodule Regrowth.

	Regrowing Nodules	Non-Regrowing Nodules	P
Number of patients	39	65	-
Sex (male/female)	7/32	13/65	1.000
Age (years) (median; 25.0–75.0%)	50 (42–67)	56 (46–66)	0.198
TSH (mIU/L) (median; 25.0–75.0%)	1.1 (0.9–1.7)	1.1 (1.0–2.2)	1.000
Non-spongiform/spongiform (number of patients)	26/13	20/45	< 0.001
Energy delivered (J) (median; 25.0–75.0%)	6159 (5205–9041)	6264 (3626–7726)	0.705
Energy delivered/mL (median; 25.0–75.0%)	477 (384–601)	482 (348–635)	0.520
Nodule volume at baseline (mL) (median; 25.0–75.0%)	14 (8–21)	12 (8–17)	0.221
VRR at 12-month follow-up (%) (median; 25.0–75.0%)	45 (33–56)	66 (58–75)	< 0.001
12-month VRR < 50.0% (number of patients; %)	24 (63.6)	7 (10.8)	< 0.001