TABLE 1.

Detailed analysis of pulmonary TB patients by internal studies

AFB smear result/ culture resulta	No. of serum samples tested	No. of serum samples with the following TB Screen Test results			Sensitivity (%)
		Positive	Negative	Indeterminate
+/+	180	175	4	5	97.2
−/+	52	48	2	2	92.8
+/−	35	33	2		94.5
−/−	18	14	3	1	81.8
Total	285	270	7	8	95.0

^aAFB, acid-fast bacillus; +, positive result; −, negative result.