TABLE 5.

Performance characteristics of the BLESSED protocol for the detection of ESBL-PE in clinical settings

Diagnostic performance characteristic	Median value (95% CI) compared with:
	Rectal swab culture	Postenrichment broth culture
Sensitivity (%)	96 (78–100)	90 (74–98)
Specificity (%)	93 (87–97)	98 (93–100)
Positive predictive value (%)	71 (57–82)	87 (68–95)
Negative predictive value (%)	99 (95–100)	98 (95–99)
Positive likelihood ratio	14 (7.4–27)	37.3 (12.1–114.8)
Negative likelihood ratio	0.05 (0.01–0.32)	0.10 (0.03–0.29)