Table 8. Statistical significance of performance metrics achieved by various classifiers with imbalanced and augmented training sets.

Performance Metric	F ratio	Critical F value	p-value
Specificity	0.13	2.63	0.94
Precision	9.01	2.63	8.72 x 10−6
Recall	5.97	2.63	0.0005
F1 score	9.52	2.63	4.35 x 10−6