. 2023 Mar 22;14:1103434. doi: 10.3389/fendo.2023.1103434

Table 3.

Diagnostic efficacy of EN_HU, EN-PN_HU, EN/PN_HU, EN-EM_HU, and EN/EM_HU for LN metastasis in PTC.

	AUC	Cutoff value	Sensitivity	Specificity	Accuracy
EN_HU	0.895	97.3 HU	0.746	0.895	0.829
EN-PN_HU	0.894	47.8 HU	0.807	0.874	0.844
EN/PN_HU	0.831	1.9	0.877	0.650	0.751
EN-EM_HU	0.890	26.4 HU	0.807	0.839	0.825
EN/EM_HU	0.888	1.5	0.728	0.902	0.825

PN_HU, plain Hounsfield units of LNs; EN_HU, enhanced Hounsfield units of LNs; EM_HU, enhanced Hounsfield units of the sternocleidomastoid muscle; EN-PN_HU, difference between EN_HU and PN_HU; EN/PN_HU, ratio of EN_HU to PN_HU; EN-EM_HU, difference between EN_HU and EM_HU; EN/EM_HU, ratio of EN_HU to EM_HU; AUC, area under the curve.