Peripheral Blood Inflammatory Markers Can Predict Benign and Malignant Thyroid Nodules

Table 3

ROC curve analysis of each independent influencing factor.

	AUC	Value	95% CI	Cutoff value	Sensitivity (%)	Specificity (%)	PPV (%)	NPV (%)
SII	0.704	<0.001	0.651–0.757	545.63 × 10^9/L	55.4	88.1	62.93	84.07
Age	0.612	<0.001	0.557–0.667	46.5 years	65.0	57.1	36.19	81.34
PLR	0.563	0.031	0.504–0.621	138.63	54.4	61.6	32.40	77.10
Leukocyte count	0.580	0.006	0.525–0.635	4.77 × 10^9/L	78.7	35.9	31.49	81.83
SII + PLR + leukocyte count + age	0.744	<0.001	0.693–0.794	—	78.7	60.3	42.60	88.32