TABLE 2.

Results obtained with coded serum samples by ELISA (external study)

Sample group	No. of samples tested	No. of positive results	No. of negative results	% Positivite results
TB patients (active), pulmonary + extrapulmonary	52	46	6	88.46
Pulmonary TB	78	73	5	93.58
Extrapulmonary TB	48	39	9	81.25
Other diseases
Leprosy	22	3	19	13.63
Hepatitis	18	1	17	5.56
HIV disease	20	2	18	10.00
Healthy normal controls	96	2	94	2.08