TABLE 5.

Estimates of the specificity of each test adjusting for conditional dependence (median, 95% credible interval) and with correction for sampling

	Specificity for the presence of C. difficile bacterium	Specificity for the presence of C. difficile toxin gene	Specificity for the presence of C. difficile toxin
Culture	1.00 (1.00–1.00)	0.96 (0.96–0.97)	0.93 (0.92–0.94)
VIDAS GDH	0.99 (0.98–1.00)	0.95 (0.94–0.96)	0.91 (0.90–0.93)
NAAT	0.99 (0.99–0.99)	0.99 (0.99–0.99)	0.95 (0.94–0.97)
Toxigenic culture	1.00 (1.00–1.00)	1.00 (0.99–1.00)	0.96 (0.95–0.98)
SIMOA A	0.98 (0.97–0.98)	0.98 (0.97–0.98)	0.98 (0.97–0.98)
SIMOA B	0.99 (0.99–0.99)	0.99 (0.98–0.99)	0.99 (0.98–0.99)
CCNA	1.00 (1.00–1.00)	1.00 (1.00–1.00)	1.00 (1.00–1.00)
VIDAS toxin EIA	0.99 (0.98–0.99)	0.98 (0.98, 0.98)	0.99 (0.98–0.99)