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Table 1 Future (to end of 2010) infection status of all animals by test result at time of the index test (2008).

From: Identification of risk factors associated with disclosure of false positive bovine tuberculosis reactors using the gamma-interferon (IFNγ) assay

Future disease status Gamma-interferon result
Neg Pos Total
Negative 1958 199 2157
SICTT[Severe] + ve at index test    0
SICTT[Severe] + ve after index test 12 8 20
SICTT[Standard] + ve at index test   10 10
SICTT[Standard] + ve at index test/PM + ve 1 1 2
SICTT[Standard] + ve after index test 2 1 3
SICTT[Standard] + ve after index test/PM + ve 3   3
PM + ve after index test 2   2
Total 1978 219 2197
% positive 1.0 9.1