Table 3.

Independent predictive factors for BRAF mutation of PTMC based on multivariate logistic regression analysis.

	Conventional US model			US radiomics nomogram
	β	Odds ratio (95% CI)	P-value	β	Odds ratio (95% CI)	P-value
Intercept	−0.308			−1.058
Composition	0.861	2.365 (0.810–6.868)	0.109	0.688	1.990 (0.670–5.859)	0.021
Aspect ratio ≥1	0.705	2.024 (1.079–3.772)	0.027	0.672	1.958 (1.024–3.721)	0.041
Rad-score	NA	NA	NA	0.990	2.691 (1.471–5.313)	0.003

PTMC, papillary thyroid microcarcinoma; CI, confidence interval; Rad-score, radiomics score; NA, not available.