Table 2

Comparison of the human reader classification of the CXRs and the CAD4TB scores (version 6)

Human reader classification	CAD4TB scores
Human reader classification	0–50	51–60	61–100	Total	%
(0) No abnormalities	4036	405	66	4507	90.1
(1) Highly suggestive for TB	0	3	29	32	0.6
(2) Low suspicion for TB	63	84	138	285	5.7
(3a) Other relevant pathology. Action required	10	8	6	24	0.5
(3b) Other CXR abnormalities. No action	76	57	19	152	3.0
Total	4185	557	258	5000
%	83.7	11.1	5.2