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Table 4 Diagnostic efficiency of the three DNA extraction protocols: agreement between tests (Kappa index, k)

From: Two alternative DNA extraction methods to improve the detection of Mycobacterium-tuberculosis-complex members in cattle and red deer tissue samples

Species Reference Agreement (k) Interpretation
Table 2
P1 vs P2 0.621 Substantial agreement
P1 vs P3 0.522 Moderate agreement
P2 vs P3 0.789 Substantial agreement
Red deer
Table 3
P1 vs P2 1.00 almost perfect agreement
P1 vs P3 1.00 almost perfect agreement
P2 vs P3 1.00 almost perfect agreement