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Table 1 Cross-tabulation of field IMS-LFD, IMS-qPCR and IMS-culture results for 441 badger faecal samples freshly collected from latrines at main setts in Northern Ireland (A), and 130 faecal samples obtained from live captured or captive badgers of putative known TB infection status (B)

From: Development of a novel immunochromatographic lateral flow assay specific for Mycobacterium bovis cells and its application in combination with immunomagnetic separation to test badger faeces

(A)
Field test result Laboratory-based test results:
IMS-qPCR + IMS-qPCR - Kappa ± SE (significance) IMS- culture + IMS- culture - Kappa ± SE (significance)
IMS-LFD + 24 54 −0.009 ± 0.044 14 64 0.045 ± 0.051
IMS-LFD - 116 247 (p = 0.838 NS) 50 313 (p = 0.342NS)
Total 140 301   64 377  
(B)
Field test result Laboratory-based test results:
IMS-qPCR + IMS-qPCR - Kappa ± SE (significance) IMS- culture + IMS- culture - Kappa ± SE (significance)
IMS-LFD + 8 2 0.129 ± 0.056 5 5 0.083 ± 0.063
IMS-LFD - 48 72 (p = 0.014*) 36 84 (p = 0.083NS)
Total 56 74   41 89  
  1. NS no significant association, * P<0.05, significant association at the 95% level