Table 4.

Multivariate Analysis of the Clinical Pathologic Factors Associated with Bilateral Paratracheal LNM in Papillary Thyroid Cancer

Variable	β	SE	Wald	P	Exp(β)	95% CI
Age <55 years	0.282	0.516	0.300	0.584	1.326	0.483–3.644
Capsule invasion	0.872	0.476	3.355	0.067	2.392	0.941–6.081
Isthmic tumor	1.415	0.604	5.496	0.019	4.116	1.264–13.433
BRAF gene mutation	1.178	0.677	3.029	0.082	3.248	0.861–12.244
Pretracheal LNM	1.230	0.529	5.415	0.020	3.422	1.214–9.642
Constant	–5.313	1.546	11.808	0.001	0.005	1.214–9.642

Note: Significant values are shown in bold.

Abbreviations: β, regression coefficient; CI, confidence interval; Exp(β), odds ratio; LNM, lymph node metastasis; SE, standard error.