Table 2.
Characteristics of enrolled patients with large benign solid thyroid nodules.
| Variables | Single RFA group | Sequential RFA group |
|---|---|---|
| Patients | ||
| Age(years), mean ± SD (range) | 56.8 ± 12.6 years (43–85 years) | 48.7 ± 14.2years (23–71 years) |
| Sex (male/female) | 3/8 | 3/10 |
| History of thyroid surgery | 1 | 1 |
| BTNs | ||
| Location of BTNs | ||
| Right lobe | 7 | 5 |
| Left lobe | 3 | 8 |
| Isthmus | 1 | 1 |
| Volume (ml), mean ± SD (range) | 43.2 ± 19.3 ml (25.0–87.3 ml) | 48.9 ± 44.4ml (26.1–203.4 ml) |
| Ablation time(s), mean ± SD (range) | 664 ± 429.7 s (120–1450 s) | 670.5 ± 319.6 s (300–1560 s)/276.4 ± 68.4 s (160–400 s) |
| Therapy interval time | / | 10.0 ± 3.5 months (6.4-20.1 months) |
| Complications | ||
| Pain | 0 | 1 |
| Vocal alterations | 2 | 0 |
| Massive bleeding | 1 | 1 |
| Extra-thyroidal hematoma | 0 | 1 |