Machine-learning classification of texture features of portable chest X-ray accurately classifies COVID-19 lung infection

Table 5 Multi-class classification using XGB-linear with texture + morphological features

Dataset	Sensitivity	Specificity	PPV	NPV	Combined accuracy	Combined AUC
XGB-linear
Bacterial pneumonia	74.42%	86.18%	65.31%	90.60%	79.52%	0.87
COVID-19	74.49%	95.28%	83.78%	93.80%
Normal	95.12	100	100	98.43
Viral pneumonia	67.77%	91.06%	73.17%	89.60%

ISSN: 1475-925X