Table 3 Accuracy, precision, sensitivity, specificity, Matthews correlation coefficient (MCC) and error-rate for cross-validation sum on the single spectrum (ER) of the four classification models created using the leave-one out cross-validation.

From: COVID-19 salivary Raman fingerprint: innovative approach for the detection of current and past SARS-CoV-2 infections

 

Accuracy (%)

Precision (%)

Sensitivity (%)

Specificity (%)

MCC

ER(%)

CTRL vs COV+ 

97.8

97.8

97.5

98

0.95

2.2

CTRL vs COV−

96.8

98.8

95.5

98.5

0.93

3.1

COV+  vs COV−

91.3

92.8

86.9

95.2

0.82

8.6

CTRL vs COV+  vs COV−

87.6

83.6

83.7

92.2

0.79

15.4

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