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Table 1 Cross-classified positive (+) and negative (−) results of two serum ELISAs and one fecal PCR in sub-populations 1 to 4 for sub-clinically infected 2- to 3-year-old French Causse du Lot sheep

From: Estimation of the sensitivity and specificity of two serum ELISAs and one fecal qPCR for diagnosis of paratuberculosis in sub-clinically infected young-adult French sheep using latent class Bayesian modeling

ELISA
A
ELISA
B
Fecal
qPCR
Subpop.
1
Subpop.
2
Subpop.
3
Subpop.
4
Total
+ + + 0 2 5(4) 8 (5) 15 (11)
+ + 9 (7) 11 (7) 14 (14) 10 (6) 44 (34)
+ + 0 1 2 2 5 (5)
+ 6 (7) 5 (8) 9 (6) 1 (6) 21 (27)
+ + 1 3 6 (4) 1 11 (9)
+ 9 (5) 6 (4) 7 (6) 1 23 (16)
+ 0 4(3) 37 (17) 33 (28) 74 (48)
262 (267) 267 (271) 367 (394) 108 (115) 1004 (1047)
  Total   287 299 447 164 1197
  1. Doubtful ELISA and fecal qPCR Ct ≤ 42 results were treated as positive. When doubtful ELISA and fecal qPCR 40 ≤ Ct ≤ 42 results were treated as negative, counts are shown in brackets