Clinical Evaluation of COBAS TaqMan PCR for the Detection of Mycobacterium tuberculosis and M. avium Complex

Table 2

M. avium PCR positivity rates according to fluorescent staining from Apr 2007 to Mar 2011.

Fluorescent staining	Sputum			BF			Total
	PCR+	No	%	PCR+	No	%	PCR+	No	%
—	4	7	57.1	1	3	33.3	5	10	50.0
1+	5	8	62.5	2	2	100	7	10	70.0
2+	11	12	91.7	0	0		11	12	91.7
3+	3	3	100	0	0		3	3	100
Total	23	30	76.7	3	5	60.0	26	35	74.3

G: gaffky scale.
BF: bronchofiberscopy.