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Table 1 Summary of all results. Results of the analyses of the 100 pooled faecal samples originating from 265 assumed salmonella-free farms and 3 control samples combined with the results from trials 1–9, artificially contaminated poultry, swine and cattle faecal samples.

From: Comparison of culture, ELISA and PCR techniques for salmonella detection in faecal samples for cattle, pig and poultry

  NMKL MSRV MSRV PCR VIDAS SLM SELECTA ELISA SELECTA CULTURE OPTIMA ELISA OPTIMA CULTURE BAX® SELECTA PCR SELECTA IMS PCR
TP* 128 226 226 109 145 203 52 114 196 188 181
TN* 154 154 154 154 154 154 154 154 153 154 154
FP* 0 0 0 0 0 0 0 0 1 0 0
FN* 109 5 5 128 85 27 179 117 26 36 43
AC** 0.72 0.99 0.99 0.67 0.78 0.93 0.54 0.7 0.93 0.9 0.89
SE** 0.54 0.98 0.98 0.45 0.63 0.88 0.23 0.49 0.88 0.84 0.81
SP** 1 1 1 1 1 1 1 1 0.99 1 1
  1. *TP = True positives, TN = True negatives, FP = False positives, FN = False negatives
  2. **AC = Accuracy, SE = Sensitivity, SP = Specificity