Table 2.

Statistical measures

Classes (total predicted)	True positives	True negatives	False positives	False negatives	Specificity	Sensitivity	Negative predictive value
Medicaltext (623)	597	1258	26	4	0.979	0.993	0.996
Ctchest (411)	387	1463	24	11	0.983	0.972	0.992
Cxr (60)	53	1817	7	18	0.996	0.868	0.995
Irrelevant (791)	782	1051	9	43	0.991	0.947	0.961