Pouched Rats’ Detection of Tuberculosis in Human Sputum: Comparison to Culturing and Polymerase Chain Reaction

Table 3

Average sensitivity and specificity for 12 groups of 4, 3, and 2 rats.

Cutoff	4 Rats		3 Rats		2 Rats
	Sensitivity	Specificity	Sensitivity	Specificity	Sensitivity	Specificity
1	79.9	73.8	77.2	77.4	74.9	81.6
2	71.5	86.4	68.8	89.7	63.4	93.4
3	64.8	92.0	60.6	95.6
4	57.8	96.2

^𝛼Relative to culture/PCR.