Value of contrast-enhanced ultrasound combined with elastography in evaluating cervical lymph node metastasis in papillary thyroid carcinoma

Table 2 Multivariate regression analysis of cervical lymph node metastasis in papillary thyroid carcinoma patients

Factor	β	SE	Wald	P	OR	95.0%CI
						Lower limit	Upper limit
L/S (> 2 = 0, ≤ 2 = 1)	3.136	0.385	12.732	0.003	23.006	10.817	48.928
Boundary shape (rule = 0, irregular = 1)	0.767	0.681	3.294	0.134	2.153	0.567	8.179
Lymphatic portal (with = 0, no = 1)	2.796	0.582	13.592	0.002	16.384	5.236	51.266
Blood flow distribution (central type = 0, mixed type = 1)	0.093	0.209	1.563	0.329	1.098	0.729	1.654
PI	0.169	0.081	8.452	0.003	1.184	1.01	1.388
Contrast distribution (uniform = 0, non-uniform = 1)	0.453	0.301	3.73	0.065	1.573	0.872	2.838
Elasticity score	1.589	0.231	9.457	0.03	4.901	1.131	1.861