Preoperative Cervical Lymph Node Metastasis Prediction in Papillary Thyroid Carcinoma: A Noninvasive Clinical Multimodal Radiomics (CMR) Nomogram Analysis

Table 4

Univariate and multivariate analyses of the preoperative predictors of LNM of PTCs in the training cohort.

Variable	Univariate analysis		Multivariate analysis
	OR (95% CI)	value	OR (95% CI)	value
Age, <45 years	1.76 (0.77–4.02)	0.050	—	—
Diameter, <1 cm	2.0 (0.86–4.67)	0.026	—	—
Gender	0.77 (0.32–1.9)	0.574	—	—
Location	1.85 (1.06–3.2)	0.029	—	—
Number_of_lesions	2.16 (0.99–4.74)	0.054	—	—
Tumor margin on T1WC+	9.43 (3.59–24.74)	<0.001	3.56 (1.39–19.15)	0.008
Thyroid contour protrusion sign on T1WC+	8.22 (2.95–22.89)	<0.001	3.18 (1.15–8.78)	0.026
Aspect ratio on US imaging	4.02 (1.51–10.68)	0.005	—	—
Microcalcification	4.08 (1.72–9.71)	0.001	—	—
MOGONET	14.03 (5.98–32.95)	<0.001	7.72 (3.05–19.58)	<0.001

PTC, papillary thyroid carcinoma; LNM, lymph node metastasis; CI, confidence interval; OR, odds ratio; .