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Mycobacteriology Laboratory

Mycobacteriology Proficiency Testing Program

Microscopy Results Breakdown - October 2005

		SL 0551	SL 0552	SL 0553	SL 0554	SL 0555
Smears Only (n=45)	Negative		43		39
	Doubtful		2		4
	Rare				1	1
	Few	1		10	1	9
	Moderate	17		25		30
	Numerous	27		10		5
Restricted (n=39)	Negative		36		34
	Doubtful		3		3
	Rare			1	2	1
	Few	3		3		3
	Moderate	16		24		26
	Numerous	20		11		9
Restricted /-S (n=2)	Negative		2		2
	Doubtful
	Rare
	Few
	Moderate	1		1		2
	Numerous	1		1
General (n=25)	Negative		25		24
	Doubtful
	Rare				1
	Few			4		2
	Moderate	13		13		17
	Numerous	12		8		6
General /-S (n=23)	Negative		23		23
	Doubtful
	Rare			1		2
	Few	1		2		3
	Moderate	12		17		15
	Numerous	10		3		3
Reference (n=11)	Negative		11		11
	Doubtful
	Rare
	Few	1		3		1
	Moderate	3		6		7
	Numerous	7		2		3

Yellow Highlighted areas are false-positive results.