Table 3.
Changes in the tumor volume between the PTMC + CLT and PTMC groups after RFA and at each follow‐up
| Time | PTMC+CLT (mm3) | PTMC (mm3) | T | P | ||
|---|---|---|---|---|---|---|
| M ± SD | Range | M ± SD | Range | |||
| Immediately | 0.81 ± 0.56 | 0.15‐2.37 | 0.93 ± 0.50 | 0.17‐1.86 | 0.91 | 0.37 |
| 1 mo | 0.19 ± 0.14 | 0.05‐0.60 | 0.27 ± 0.25 | 0.03‐1.20 | 1.57 | 0.12 |
| 3 mo | 0.08 ± 0.10 | 0‐0.41 | 0.05 ± 0.07 | 0‐0.21 | 1.07 | 0.29 |
| 6 mo | 0.02 ± 0.04 | 0‐0.15 | 0.02 ± 0.03 | 0‐0.11 | 0.43 | 0.67 |
| 12 mo | 0.001 ± 0.003 | 0‐0.02 | 0.001 ± 0.004 | 0‐0.01 | 0.49 | 0.62 |
| 18 mo | 0 | 0 | 0 | 0 | 0.00 | 1.00 |
Abbreviations: CLT, chronic lymphocytic thyroiditis; M, mean; PTMC, papillary thyroid microcarcinoma; RFA, radiofrequency ablation; SD, standard deviation.