Table 3.

Statistical evaluation of SICTT using real-time PCR and immunohistochemistry (IHC). Data are presented as percentage

Type	Method ‎	Sensitivity	Specificity	Accuracy	Prevalence	PPV 4	NPV 5	Kappa ( p < 0.0005)
M. bovis 1	Real-time PCR	53.70	100	63.80	78.26	100	37.50	0.34
	IHC	53.70	100	63.80	78.26	100	100	0.34
MTC 2	Real-time PCR	100	100	100	8.00	100	100	1.00
	IHC	100	100	100	8.00	100	100	1.00
MAP 3	Real-time PCR	60.50	100	78.30	55.00	100	67.40	0.58
	IHC	60.50	93.60	75.40	55.00	92.00	65.90	0.52

¹ Mycobacterium bovis; ² Mycobacterium tuberculosis complex; ³ Mycobacterium avium subsp. paratuberculosis; ⁴ Positive predictive values; and ⁵ Negative predictive values.