Table 2 Performance of the hierarchical classifier over the test set (shallow neural network + shallow neural network in the case of 3D RI tomograms and logistic regression + linear discriminant in the case of 2D QPMs).

From: Label-free liquid biopsy through the identification of tumor cells by machine learning-powered tomographic phase imaging flow cytometry

Metric

3D RI Tomogram

2D QPM

MC

NB

OC

MC

NB

OC

Accuracy

95.2

76.0

True positive rate (sensitivity or recall)

95.7

93.4

98.3

63.8

77.9

81.7

True negative rate (specificity)

97.8

97.2

97.6

93.4

86.9

82.8

Positive predictive value (precision)

91.8

97.4

93.7

71.4

89.2

62.8

Negative predictive value

98.9

92.9

99.4

90.9

77.5

92.7

Balanced accuracy

96.8

95.3

98.0

78.6

82.4

82.2

F1 score

93.8

95.4

95.9

67.4

82.3

71.0

Matthews correlation Coefficient

92.1

90.5

94.5

59.7

64.7

59.9

Fowlkes–Mallows index

93.8

95.4

96.0

67.5

82.4

71.6