Table 1. Baseline characteristics of the patients (patients n=88, nodules n=88).
| Category | Inflammatory | Papillary carcinoma |
|---|---|---|
| Male/female | 11/33 | 11/33 |
| Age (years), mean ± standard deviation [range] | 48.64±8.89 [33–63] | 49.93±10.98 [28–67] |
| Nodules, number | 44 | 44 |
| The largest diameter (cm), mean ± standard deviation (range) | 0.92±0.34 (0.4–1.8) | 0.89±0.42 (0.4–2.5) |
| Ultrasound characteristics | ||
| Solid | 44 | 44 |
| Hypoechoic/isoechoic | 42/2 | 44/0 |
| Taller-than-wide/wide-than-taller | 4/40 | 8/36 |
| Irregular/regular margin | 39/5 | 43/1 |
| Calcification with large comet tail | 1 | 1 |
| Macrocalcifications | 3 | 7 |
| ACR TIRADS | ||
| TIRADS 4 | 40 | 36 |
| TIRADS 5 | 4 | 8 |
ACR, American College of Radiology; TIRADS, Thyroid Imaging Reporting and Data Systems.