TABLE 12. Results of the XGBoost Classifier Over the CheXNet Features.

Score	No selection	PCA	RFE	PCA + RFE
Accuracy	0.66	0.72	0.97	0.93
Precision	0.61	0.80	0.96	0.96
Recall	0.55	0.67	0.95	0.90
F1-score	0.54	0.69	0.95	0.92