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. 2021 Jul 16;9(8):E1264–E1268. doi: 10.1055/a-1490-8960

Table 1. Confusion matrix of the automatic detection vs. expert classification.

Expert
Blood/hematic residues Normal/other findings
CNN Blood/hematic residues 594 39
Normal/other findings 1 531
Sensitivity 1
99.8 % (4.7 %)		 Specificity 1
93.2 % (4.7 %)		 PPV 1
93.8 % (4.2 %)		 NPV 1
99.8 % (4.2 %)

CNN, convolutional neural network; PPV, positive predictive value; NPV, negative predictive value.

1

Expressed as mean (standard deviation).