Table 3.

Recovery and TTD for microorganisms in anaerobic media

Microorganism	Gauge	Range of total CFU inoculated
		25–50		5–10		2–5		1–2		0–1
		Recovery	TTD (h) ± SD	Recovery	TTD (h) ± SD	Recovery	TTD (h) ± SD	Recovery	TTD (h) ± SD	Recovery	TTD (h) ± SD
B. fragilis (iNST)	21	5/12	95.5 ± 32.7	3/12	116.8 ± 65.8	3/12	78.4 ± 20	0/12	none	0/12	none
	27	12/12	61.6 ± 17.1	12/12	72 ± 13.5	8/12	77.1 ± 1.5	5/12	78.2 ± 2.1	0/12	none
B. fragilis (FTM)	21	12/12	60 ± 12.5	12/12	70 ± 6.9	10/12	74.4 ± 13.6	5/12	76.8 ± 10.7	4/12	78 ± 12
	27	12/12	58 ± 16.1	8/12	63 ± 17.8	7/12	61.7 ± 12.8	4/12	66 ± 12	0/12	none
C. sporogenes (iNST)	21	12/12	32.2 ± 10	12/12	36 ± 10.7	11/12	47.8 ± 16	5/12	76.32 ± 20.7	0/12	none
	27	12/12	25 ± 4.1	12/12	26.4 ± 4.1	12/12	27.4 ± 4.4	12/12	29.4 ± 2.9	2/12	25.2 ± 5.1
C. sporogenes (FTM)	21	12/12	24 ± 0	12/12	24 ± 0	12/12	24 ± 0	12/12	26 ± 6.92	0/12	none
	27	12/12	24 ± 0	12/12	24 ± 0	12/12	24 ± 0	12/12	24 ± 0	4/12	24 ± 0
S. pyogenes (iNST)	21	12/12	35.6 ± 9.4	12/12	37 ± 10	7/12	59.3 ± 13	5/12	76.3 ± 20.7	0/12	none
	27	12/12	17.8 ± 1.2	12/12	18.8 ± 0.9	12/12	20.7 ± 1.2	8/12	23.7 ± 4.7	3/12	4 ± 1.4
S. pyogenes (FTM)	21	12/12	48 ± 0	12/12	48 ± 0	12/12	48 ± 0	6/12	60 ± 13.1	0/12	none
	27	12/12	48 ± 0	12/12	48 ± 0	12/12	48 ± 0	7/12	51.42 ± 9.1	1/12	72 ± 0