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Table 3 Statistical results of the dogs’ performance

From: Sniffer dogs as a screening/diagnostic tool for COVID-19: a proof of concept study

  Sensitivity or true positive rate (TPR) % False negative rate (FNR) % False positive rate (FPR) Specificity or true negative rate (TNR) Positive likelihood ratio Negative likelihood ratio
SY 60% 40% 15% 85% 4 0.4706
KZH 60% 40% 10% 90% 6 0.4444
MRC 83% 17% 7% 93% 11.667 0.1795
Total 65% 35% 11% 89% 5.8846 0.3894