Table 1.
Baseline characteristics of patients with thyroid nodules included in the study
| All | NFTN | AFTN | |
|---|---|---|---|
| Patients n, (female/male)* | 42 (40/2) | 22 (22/0) | 20 (18/2) |
| Race (White/Black/Asian) | 40/1/1 | 21/0/1 | 19/1/0 |
| Median age (y) at time of RFA (range) | 45 (30-77) | 49.5 (35-70) | 42 (31-77) |
| Nodules, n | 47 | 23 | 24 |
| Single nodule/multinodular goiter, n | 17/25 | 8/14 | 9/11 |
| US characteristics of nodule (S/SC), n | 39/8 | 20/3 | 19/5 |
| On LT4 before RFA (Y/N), n | 7/35 | 7/15 | N/A |
| On MMI before RFA (Y/N), n | 8/34 | N/A | 8/12 |
Abbreviations: AFTN, autonomously functioning thyroid nodule; LT4, levothyroxine; MMI, methimazole; N/A, not applicable; NFTN, nonfunctional thyroid nodule; RFA, radiofrequency ablation; S, solid; SC, solid-cystic; US, ultrasound.
*Eleven patients with 11 nodules were lost to follow-up and therefore not included in the analysis.