Table 3.

Sensitivity and specificity values of free circulating DNA in discriminating between IPF patients (32) and healthy donors, or individuals with other non-malignant lung diseases.

Cut Off (ng/mL)	Sensitivity %	Specificity %
		Healthy Donors (n = 23)	NSIP (n = 24)	Other Diseases (n = 34)	Other Diseases Including NSIP (n = 58)
80	56	91	75	65	69
90	56	91	83	71	76
100	56	96	88	77	81
110	47	100	88	77	81