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Table 1 True positives, false positives, true negatives, and false negatives for the immunoassays using selected 2D similarity cutoffs

From: Using cheminformatics to predict cross reactivity of “designer drugs” to their currently available immunoassays

Assay 2D similarity cutoff True positives False positives True negatives False negatives
Randox Mephedrone/Methcathinone 0.680 6 2 25 2
0.390 8 6 19 0
Randox MDPV 0.630 5 0 30 0
Neogen Benzylpiperazine 0.730 3 1 28 0
Neogen Mephentermine 0.840 2 0 26 1
0.420 3 7 19 0
JWH-018 Direct ELISA 0.673 27 21 44 3
JWH-250 Direct ELISA 0.875 3 0 92 0
Immunalysis MKT-1030 0.673 13 0 6 4
Immunalysis MKT-1032 0.673 15 0 3 4
Neogen Synthetic Cannabinoids 0.673 23 0 4 8