TABLE I.
Proportion of Patients With Thyroid Malignancy by Underlying Characteristics
| Patient characteristic | Benign (n = 62) | Malignant (n = 72) | P-value |
|---|---|---|---|
| Mean age | 51.3 years (SD = 13.5) | 47.0 (SD = 13.4) | 0.059 |
| Gender | 0.094 | ||
| Female | 55 | 56 | |
| Male | 7 | 16 | |
| Race | 0.257 | ||
| Caucasian | 53 | 56 | |
| African-American | 5 | 4 | |
| Other | 4 | 10 | |
| Positive family history | 2 | 5 | 0.357 |
| History of radiation | 4 | 5 | 0.555 |
| History of thyroiditis | 14 | 22 | 0.480 |
| Palpable nodule | 46 | 57 | 0.488 |
| Palpable lymph nodes | 1 | 0 | 0.308 |
| Ultrasound focality | 34 | 44 | 0.463 |
| Microcalcifications | 10 | 19 | 0.296 |
| Hypervascularity | 18 | 12 | 0.094 |
| Mean size in cm (ultrasound) | 2.5 cm (SD = 1.2) | 2.1 cm (SD = 1.4) | 0.017* |
| Thyroid function | 0.519 | ||
| Hypothyroid | 12 | 21 | |
| Euthyroid | 47 | 46 | |
| Hyperthyroid | 2 | 3 | |
| FNAB category of nodule | <0.001* | ||
| Suspicious for malignancy | 6 | 32 | |
| Follicular Neoplasm | 19 | 23 | |
| ACUS | 37 | 17 |
SD, standard deviation; ACUS, atypical cells of undetermined significance.
*
Statistically significant.