Table 1 CIRCA classification performance in fivefold cross-validation scheme. For each measure and class, average values with standard error are shown.

From: CIRCA: comprehensible online system in support of chest X-rays-based screening by COVID-19 example

Index

Normal [%]

Pneumonia [%]

COVID-19 [%]

Sensitivity

89.69 ± 1.58

84.13 ± 2.06

91.65 ± 3.23

Specificity

93.61 ± 1.12

95.18 ± 0.86

93.53 ± 1.55

NPV

92.42 ± 1.01

91.77 ± 0.97

97.53 ± 0.90

PPV

91.31 ± 1.27

90.41 ± 1.56

80.40 ± 3.51

Accuracy

91.93 ± 0.52

91.31 ± 0.88

93.11 ± 0.83