Table 2.

Descriptive statistics of the Irish data set studied in the analyses of bTB in cattle and cattle herds at slaughter during 2010–12.

Variable	Count	Mean	Median	Mode	Minimum	Maximum
Eligible/Study herds*	86,164/85,916	n.a.	n.a.	n.a.	n.a.	n.a.
Eligible herds with at least one FLT*,†	4,043	n.a.	n.a.	n.a.	n.a.	n.a.
Animals slaughtered from eligible herds	4,338,380	48	12	1	1	24,403
Animals slaughtered from eligible herds with at least one FLT†	831,908	206	78	1	1	6,279
APwh, all eligible herds	n.a.	0.0034	0	0	0	1
APwh of bTB, eligible herds with at least one FLT†	n.a.	0.0722	0.0118	0.2000	0.0001	1

*See Section 2.3 for explanation of eligible/study herds.

^†Factory Lesion Test; see Table 3 for breakdown of data by the number of FLTs.