Table 1. Tests applied for the diagnosis of BTB in Chadian cattle.

Test	No. of animals tested	Outcome	Ante-/post mortem	No. of animals tested pos.	% pos.
SICCT (OIE cut-off>4 mm)*	930	continuous	ante-mortem	72	7.7%
SICCT (cut-off>2 mm)*	930	continuous	ante-mortem	144	15.5%
SENTRY 100 (cut-off≥15 ΔmP)*	953	continuous	ante-mortem	62	6.5%
GENios Pro (cut-off≥38 ΔmP)*	954	continuous	ante-mortem	119	12.5%
Meat inspection	954	binary	post-mortem	108	11.3%
Direct microscopy	108	binary	post-mortem	51	47.2%
Culture and microscopy	102	binary	post-mortem	50	49.0%
PCR	50	binary	post-mortem	20	40.0%

% pos.: Number of animals tested positive divided by the total number of animals subjected to the respective test.

^*SICCT, SENTRY 100 and GENios Pro results without missing data were available for 929 animals.