Table 3.
Univariate and multivariate analysis of risk factors for loss of radioiodine avidity in DTC patients.
| Characteristics | Univariate analysis | Multivariate analysis | ||||
|---|---|---|---|---|---|---|
| OR | 95% CI | P-value | OR | 95% CI | P-value | |
| Age ≥ 55 | 1.4 | 0.5–3.5 | >.05 | 1.1 | 0.4–2.7 | >.05 |
| Male | 0.9 | 0.4–2.2 | >.05 | 1 | 0.4–2.4 | >.05 |
| Tumor size T4 | 0.6 | 0.2–1.9 | >.05 | 0.4 | 0.1–1.2 | >.05 |
| Lymph node metastasis N1 | 0.9 | 0.4–2.4 | >.05 | 1.1 | 0.4–3.0 | >.05 |
| C-PTC | 0.4 | 0.1–1.5 | >.05 | 0.4 | 0.1–1.4 | >.05 |
| BRAF V600E and TERT mutations | 2.8 | 1.1–7.5 | <.05 | 4.1 | 1.3–12.8 | .013 |
Bold values indicate statistical significance.
C-PTC = conventional papillary thyroid carcinoma, TERT = telomerase reverse transcriptase.