Table 1.

Patient characteristics

Characteristics	N = 37
N/Sex	F = 25, M = 12
Age (years)	43.9 ± 17.6 (24~79)
PTMC before PLA
Maximum diameter (mm)	5.1 ± 3.4
Volume (mm3)	52.8 ± 30.6
Thyroid hormone levels before PLA
FT3 (pmol/L)	4.1 ± 1.9
FT4 (ng/dL)	1.6 ± 0.8
T3 (ng/dL)	155 ± 37
T4 (μg/dL)	8.6 ± 3.6
TSH (mU/L)	2.6 ± 1.9
Volume of hydrodissection solution during PLA (mL)	10.3 ± 9.7 (0~37)
Total energy delivery during PLA (J)	989.4 ± 417.6 (450~1750)
Active time during PLA (s)	165.9 ± 92.8 (150~500)
Follow-up (months)	16.5 ± 6.9 (12~24)

PTMC papillary thyroid microcarcinoma, PLA percutaneous laser ablation, FT3 free triiodothyronine, FT4 free tetraiodothyronine, T3 triiodothyronine, T4 thyroxine