Figure 1From: Diagnostic efficiency of abattoir meat inspection service in Ethiopia to detect carcasses infected with Mycobacterium bovis: Implications for public health Fagan's nomogram for post-test probabilities of TB occurrence in Ethiopian slaughter cattle based on routine abattoir inspection (comparisons were made with detailed abattoir inspection (a), culture and microscopy (b) and molecular method (c). ↑ = Positive outcome: ↓ = Negative outcome.Back to article page