Table 4. Receiver operating characteristic curve (ROC) analysis for the set of 5 microRNAs for differentiating TNBC in tissues and sera.

(a) ROC for TNBC tissues (n = 23)
miRNA	Sensitivity	Specificity	AUC (95% CI)	P value
miR-21	100%	95%	0.9977 (0.9903–1.000)	p < 0.0001*
miR-221	100%	100%	1.000 (1.000–1.000)	p < 0.0001*
miR-210	95%	95%	0.9783 (0.9347–1.022)	p < 0.0001*
miR-195	73%	78%	0.7580 (0.6058–0.9103)	p = 0.0027*
miR-145	73%	60%	0.7013 (0.5489–0.8538)	p = 0.0193*
Let-7a	95%	95%	0.9773 (0.9411–1.014)	p < 0.0001*
(b) ROC for TNBC sera (n = 23)
miR-21	95%	81%	0.9587 (0.9071–1.000)	p < 0.0001*
miR-221	81%	72%	0.8099 (0.6629–0.9570)	p = 0.0004*
miR-210	100%	100%	0.9979 (0.9911–1.000)	p < 0.0001*
miR-195	78%	65%	0.6767 (0.5098–0.8437)	p = 0.0400*
miR-145	78%	91%	0.8837 (0.7862–0.9812)	p < 0.0001*
Let-7a	91%	86%	0.9660 (0.9237–1.008)	p < 0.0001*

AUC: Area Under the Curve; CI: Confidence Interval;

* Significant.