Table 1.
Baseline patient and nodule characteristics
| Patients, n | 1,254 |
| Women, % | 89 |
| Age, years | 52.5 (13.1) |
| Thyroid nodules, n | 1,819 |
| Maximum diameter, cm | 2.1 (1.0) |
| Volume, cm3 | 3.7 (7.2) |
| Nodule characteristics, %: | |
| <50 % Cystic | 88.5 |
| ≥50 % Cystic | 11.5 |
| Years from initial benign aspirate to first follow-up: | |
| Median (interquartile range) | 1.4 (1.0–2.5) years |
| Range | 0.5–14.1 years |
| 0.5–1 year, n | 489 |
| 1–2 years, n | 715 |
| 2–3 years, n | 249 |
| 3–4 years, n | 143 |
| >4 years, n | 223 |
Age, maximum diameter and volume are shown as mean (SD)