Table 5.
Multivariate logistic retrospective analysis of factors related to unilateral and bilateral tumor incidence in PTC patients.
| Subject | B | S.E. | Wald | p | OR | 95%CI |
|---|---|---|---|---|---|---|
| SSL (μg/L) | ||||||
| Low | - | - | - | - | 1 | - |
| Middle | -0.205 | 0.304 | 0.455 | 0.500 | 0.815 | 0.449 - 1.478 |
| High | -0.924 | 0.307 | 9.027 | 0.003 | 0.397 | 0.217 - 0.725 |
| BMI (kg/m2) | 0.048 | 0.034 | 2.042 | 0.153 | 1.049 | 0.982 - 1.121 |
| DBP (mmHg) | 0.028 | 0.012 | 5.690 | 0.017 | 1.028 | 1.005 - 1.051 |
Serum selenium levels were categorized into three grades: Low: 51.3 - 74.4 μg/L (n = 93), Middle: 74.5 - 85.3 μg/L (n = 93), and High : 85.4 - 175.3 μg/L (n = 93); BMI, body mass index; DBP, diastolic blood pressure. SSL, serum selenium level.