. Author manuscript; available in PMC: 2017 Jan 1.

Published in final edited form as: Int J Tuberc Lung Dis. 2016 Jan;20(1):93–100. doi: 10.5588/ijtld.14.0848

Table 4.

Cross-classification of P1041 and NIH consensus definition event certainties

			NIH Classification
			TB disease			No TB disease		Total	No Signs/Symptoms suggestive of TB¹
			Confirmed	Probable	Possible	Unlikely	Alternative diagnosis	Total	No Signs/Symptoms suggestive of TB¹
P1041 Classification	TB disease	Confirmed	21	0	0	0	0	21	3
		Probable	0	7	7	1	0	15	3
		Possible	0	71	8	0	0	79	27
	No TB disease	Unlikely	0	13	26	5	0	44	20
	No TB disease	Alternative diagnosis	0	1	4	0	2	7	0
	Total		21	92	45	6	2	166	53

Those lacking signs or symptoms are not classifiable by the NIH criteria.