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Table 3 Results obtained by the real-time PCR and the Salmonella BAX PCR in the external validation.

From: Validation of a same-day real-time PCR method for screening of meat and carcass swabs for Salmonella

Salmonellalevel
(CFU/25-g sample)
No. of samples analyzed Result obtained by the PCR and BAX methodsa
   PA PD ND NA Inconc./+
1000 3 3 0 0 0 0
100 3 3 0 0 0 0
10 9 7 0 0 2 0
5 12 10 1 0 0 1
2 12 9 0 1 2 0
TOTAL 39 32 1 1 4 1
  1. a PA: positive by PCR and BAX methods, PD: positive by PCR and negative by BAX, ND: negative by PCR and positive by BAX, NA: negative by PCR and BAX methods, inconc./+: inconclusive result by PCR (need re-analysis) and positive by BAX.