Table 3.
Univariate analysis results for MTC/PTC and MTC.
| Clinical parameters | MTC/PTC (n = 16) | MTC (n = 153) | t/χ2 | P |
|---|---|---|---|---|
| Age (yr) | 50.63 ± 6.10 | 48.89 ± 13.55 | −0.935 | .356 |
| Gender | ||||
| Female | 9 | 80 | 0.091 | .763 |
| Male | 7 | 73 | ||
| (MTC) Maximal diameter (cm) | 1.74 ± 1.86 | 2.03 ± 1.37 | 0.771 | .442 |
| Capsular invasion | 3 | 54 | 1.774 | .183 |
| Extrathyroidal extension | 1 | 29 | 1.601 | .206 |
| Lymph node metastasis | ||||
| CLN | 9 | 82 | 0.031 | .860 |
| LLN | 4 | 68 | 2.303 | .129 |
| MLN | 2 | 20 | 0.006 | .941 |
| TSH | 1.79 ± 1.01 | 2.27 ± 2.54 | 0.668 | .493 |
| TG | 20.88 ± 20.50 | 19.76 ± 21.83 | −0.181 | .856 |
| Biochemical cured | 11 | 102 | 0.465 | .495 |
| Biochemical abnormality | 5 | 65 |
Data are presented as mean ± SD or number.
Comparisons: Student t test for continuous variables, χ2 test for categorical variables.
CLN = central lymph node, LLN = lateral lymph node, MLN = mediastinal lymph node, MTC = medullary thyroid carcinoma, PTC = papillary thyroid carcinoma.