Diagnostic efficiency of abattoir meat inspection service in Ethiopia to detect carcasses infected with Mycobacterium bovis: Implications for public health

Table 2 Distribution of tuberculosis infected carcasses and test properties of routine abattoir inspection in different abattoirs in Ethiopia

	Test comparison			Test properties of routine abattoir inspection
	Routine abattoir inspection	Detailed inspection		Kappa [95% CI]	Sn (%) [95% CI]	Sp (%) [95% CI]	PV+ (%) [95% CI]	PV-(%) [95% CI]
		+ve	-ve
Addis Ababa	+ve	54	-	0.7 [0.7-0.72]	60.0 [50.0-60.0]	100.0 [99.0-100.0]	100.0 [93.0-100.0]	93.0 [92.0-93.0]
	-ve	37	509
	Total	91	509
	%	15.2
Adama	+ve	4	-	0.05 [0.02-0.05]	3.0 [2.0-3.0]	100.0 [99.0-100.0]	100.0 [51.0-100.0]	76.0 [75.0-76.0]
	-ve	125	393
	Total	129	393
	%	24.7
Melge-Wondo	+ve	36	9	0.67 [0.57-0.75]	60.0 [51.0-66.0]	99.0 [90.0-99.0]	80.0 [68.0-88.0]	98.0 [97.0-98.0]
	-ve	24	1256
	Total	60	1265
	%	4.5
Hawassa	+ve	-	-	0.0 [0.0-0.0]	0.0 [0.0-0.0]	100.0 [100.0-100.0]	0.0 [0.0-0.0]	91.0 [91.0-91.0]
	-ve	39	403
	Total	39	403
	%	8.8
Yabello	+ve	1	13	0.03 [-0.03-0.22]	6.0 [1.0-22.0]	97.0 [96.0-97.0]	7.0 [1.0-29.0]	96.0 [96.097.0]
	-ve	17	402
	Total	18	415
	%	4.2

ISSN: 1471-2458