International Journal of Thyroidology

Indexed in /covered by CAS, KoreaScience & DOI/Crossref:eISSN 2466-1899   pISSN 2384-3799

Table. 3.

Table. 3.

Risk factors for changing thyroid nodules by cox proportional hazard model using backward elimination method

Variables All nodules ≥1 cm nodules All nodules ≥1 cm nodules




Decreasing, Odds ratio (95% CI) p-value Decreasing, Odds ratio (95% CI) p-value Increasing, Odds ratio (95% CI) p-value Increasing, Odds ratio (95% CI) p-value
Age 0.989 (0.980-0.999) 0.023 0.990 (0.981-0.999) 0.023 0.985 (0.968-1.002) 0.077
Sex
Female 1.000 (reference) 1.000 (reference)
Male 1.172 (0.986-1.392) 0.072 1.236 (0.962-1.589) 0.098
Initial nodule size (mm)
<5 1.000 (reference) 1.000 (reference)
5.0-9.9 1.554 (1.209-1.997) 0.001 1.081 (0.894-1.307) 0.420
10.0-19.9 3.928 (3.052-5.056) <0.001 1.000 (reference) 1.292 (1.017-1.640) 0.036 1.000 (reference)
≥20 5.470 (3.942-7.592) <0.001 1.436 (1.077-1.914) 0.014 2.414 (1.749-3.332) <0.001 1.866 (1.323-2.632) <0.001
Diffuse parenchymal abnormality 2.351 (1.849-2.991) <0.001 1.748 (1.341-2.280) <0.001

CI: confidence interval

Int J Thyroidol 2020;13:118-27 https://doi.org/10.11106/ijt.2020.13.2.118
© 2020 Int J Thyroidol