Prevalence of Asymptomatic Mycobacterium tuberculosis Infection in Charcoal Producers: A Cross-Sectional Study in Kaase, Ghana

Table 3

Grading of AFB in smears using fluorescent microscopy.

Grade of AFB	Number of Participants	Percentage
	(N=40)	(%)
Negative	38	95.0
Scanty	0	0.0
1+	1	2.5
2+	1	2.5
3+	0	0.0