Table 3.
Independent risk predictors for diagnosis of thyroid malignancy under multivariate logistic regression analysis (n = 1,789 patients)
| Variable | Adjusted odds ratio | 95% CI | P-value |
|---|---|---|---|
| Age, yr |
|
|
0.004* |
| 0 ~ 14 |
1.00 |
|
|
| 15~29 |
1.217 |
0.164, 9.032 |
0.848 |
| 30~44 |
1.544 |
0.215, 11.092 |
0.666 |
| 45~59 |
1.188 |
0.165, 8.550 |
0.864 |
| 60~74 |
0.724 |
0.098, 5.321 |
0.751 |
| 75~89 |
2.852 |
0.300, 27.138 |
0.362 |
| TSH, mIU/La |
|
|
0.001* |
| <0.35 |
1.00 |
|
|
| 0.35 to 1.17 |
1.079 |
0.663, 1.756 |
0.759 |
| 1.18 to 1.96 |
1.357 |
0.835, 2.207 |
0.218 |
| 1.97 to 4.94 |
1.951 |
1.201, 3.171 |
0.007* |
| >4.94 |
1.235 |
0.598, 2.550 |
0.568 |
| HT |
|
|
|
| Absent |
1.00 |
|
|
| Present |
3.732 |
2.563, 5.435 |
<0.001* |
| Calcification |
|
|
|
| Coarsecalcifications |
1.00 |
|
|
| Microcalcification | 14.486 | 11.374, 18.449 | <0.001* |
aPatients with free T3 (fT3), fT4, or TSH measurements within the normal range were divided into tertiles of similar size, respectively. Variables assigned odds ratios of 1.0 were used as the reference for multivariate analysis. *Statistically significant (P <0.05).