Table 1 Sensitivity, specificity and cut-off values for the Salmonella serogroup B and C₁ MFIA

Optimal DPR^a

0.912

0.985

 Cut-off

6

5

 Specificity (%)^b

96.6 (95.0–97.7)

100.0 (94.5–100.0)

 Sensitivity (%)^b

94.5 (90.2–97.4)

98.5 (92.0–100.0)

Adjusted cut-off values^c

 DPR

0.896

0.940

 Cut-off

10

10

 Specificity (%)^b

97.8 (96.5–98.7)

100.0 (94.5–100.0)

 Sensitivity (%)^b

91.8 (86.8–95.3)

94.0 (85.4–98.4)