Univariate and multivariate LR analysis of the influence on benign and malignant TNs
| Variables | Control group | Univariate LR | Multivariate LR | ||
| 95% CI | P value | 95% CI | P value | ||
| Age | Thyroid nodule | 0.982 to 0.997 | 0.009 | 0.975 to 0.992 | 0.000 |
| Gender | Female | 1.390 to 2.355 | 0.000 | 1.478 to 2.665 | 0.000 |
| FT3 | Thyroid nodule | 0.490 to 0.650 | 0.000 | 0.662 to 0.965 | 0.020 |
| FT4 | Thyroid nodule | 0.863 to 0.903 | 0.000 | 0.871 to 0.926 | 0.000 |
| TSH | Thyroid nodule | 0.975 to 1.012 | 0.488 | ||
| TGAB | Thyroid nodule | 0.998 to 0.999 | 0.000 | 0.999 to 1.000 | 0.139 |
| TPOAB | Thyroid nodule | 0.999 to 0.999 | 0.000 | 0.999 to 0.999 | 0.000 |
FT3, free triiodothyronine; FT4, free thyroxine; LRs, logistic regression; TGAB, thyroglobulin antibody; TNs, thyroid nodules; TPOAB, thyroid peroxidase antibody; TSH, thyroid stimulating hormone.