TABLE 6.

The sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) of the SIMOA toxins A and B EIA and NAAT when compared directly to CCNA as a reference method

	SIMOA toxin A EIA	SIMOA toxin B EIA	NAAT
Sensitivity	0.84 (95% CI: 0.73–0.92)	0.82(95% CI: 0.71–0.90)	0.93 (95% CI: 0.84–0.98)
Specificity	0.95 (95% CI: 0.93–0.97)	0.96 (95% CI: 0.94–0.97)	0.92 (95% CI: 0.90–0.94)
PPV	0.67 (95% CI: 0.58–0.75)	0.70 (95% CI: 0.61–0.78)	0.56 (95% CI: 0.49–0.62)
NPV	0.98 (95% CI: 0.97–0.99)	0.98 (95% CI: 0.97–0.99)	0.99 (95% CI: 0.98–1.00)