TABLE 6.

Diagnostic sensitivity and diagnostic specificity results for serological tests including Rose Bengal test, complement fixation test, serum agglutination test, competitive enzyme-linked immunosorbent assay, indirect enzyme-linked immunosorbent assay with known Brucella abortus bv 1 bacterial culture status.

Tests	Diagnostic sensitivity				DSe + DSp (Performance index)
	DSe %	CI at 95%†	DSp %	(CI at 95%)‡
RBT	95.8	85.8–99.5	100	-	195.8
CFT	93.9	81.1–98.7	100	-	193.9
iELISA	95.8	85.8–99.5	92.5	88.3–96.2	188.3
cELISA	93.9	83.1–98.7	95.0	90.7–97.7	188.9
SAT	90.2	78.6–96.7	96.8	93.6–98.8	166.4

Confidence interval (CI) at 95%.

RBT, Rose Bengal test; CFT, complement fixation test; iELISA, indirect ELISA; cELISA, competitive ELISA; SAT, serum agglutination test; DSe, diagnostic sensitivity; DSp, diagnostic specificity.

^†, Diagnostic sensitivity of samples with known bacterial culture results (n = 46);

^‡, diagnostic specificity of Brucella-free herds with n = 186 (Table 4).