Table 2.

Recovery and TTD for microorganisms in aerobic 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
S. aureus (iAST)	21	12/12	32.2 ± 3.6	12/12	38.6 ± 4.7	9/12	41.3 ± 6.5	6/12	38.8 ± 5.3	2/12	40.8 ± 3.4
	27	12/12	31.8 ± 6.8	12/12	33.4 ± 3.6	12/12	36 ± 4.9	8/12	40.5 ± 6.1	3/12	39.2 ± 7.3
S. aureus (TSB)	21	12/12	32 ± 11.8	12/12	28 ± 9.3	10/12	28.8 ± 10.1	10/12	33.6 ± 12.4	5/12	28.8 ± 10.7
	27	12/12	32 ± 11.8	12/12	30 ± 10.8	12/12	26 ± 6.9	6/12	32 ± 12.4	3/12	32 ± 13.8
P. aeruginosa (iAST)	21	12/12	25.4 ± 2.4	12/12	60.2 ± 12.2	9/12	64 ± 12	6/12	83.2 ± 12.4	0/12	none
	27	12/12	24.2 ± 2.4	12/12	53.8 ± 21.3	12/12	66.7 ± 8.5	6/12	70.4 ± 21.2	0/12	none
P. aeruginosa (TSB)	21	12/12	48 ± 0	12/12	62 ± 12.3	6/12	68 ± 9.8	4/12	72 ± 0	0/12	none
	27	12/12	60 ± 12.5	12/12	64 ± 11.8	7/12	61.7 ± 12.8	5/12	62.4 ± 13.1	1/12	72 ± 0
B. subtilis (iAST)	21	12/12	12 ± 0	12/12	13.8 ± 1.1	12/12	14.2 ± 0.7	10/12	15.12 ± 1.2	5/12	14.4 ± 0
	27	12/12	12.2 ± 0.7	12/12	15 ± 2.7	12/12	15.4 ± 3.5	10/12	15.12 ± 1.2	5/12	15.4 ± 1.3
B. subtilis (TSB)	21	12/12	48 ± 0	12/12	48 ± 0	11/12	48 ± 0	9/12	48 ± 0	2/12	48
	27	12/12	54 ± 10.85	12/12	58 ± 21.6	11/12	69.8 ± 19.9	8/12	75 ± 29.91	2/12	96 ± 33.9
S. epidermidis (iAST)	21	12/12	30.2 ± 2.2	12/12	35 ± 6.4	12/12	33.8 ± 5.2	1/12	40.8 ± 0	1/12	48 ± 0
	27	12/12	29.6 ± 2.4	12/12	35.4 ± 9.5	12/12	34.6 ± 7.3	2/12	34.8 ± 1.7	3/12	44 ± 6
S. epidermidis (TSB)	21	12/12	144 ± 14.5	12/12	160 ± 18.7	9/12	186.6 ± 10.6	0/12	none	0/12	none
	27	12/12	144 ± 20.5	12/12	162 ± 23.2	9/12	186.6 ± 10.6	1/12	168 ± 0	0/12	none
S. pyogenes (iAST)	21	12/12	36.2 ± 8.7	12/12	38.4 ± 8.4	7/12	61 ± 12	4/12	80.4 ± 23.2	0/12	none
	27	12/12	23 ± 1.2	12/12	25 ± 2.2	9/12	26.1 ± 2.8	6/12	26.8 ± 2.4	2/12	26.4 ± 0
S. pyogenes (TSB)	21	12/12	48 ± 0	12/12	48 ± 0	12/12	52 ± 9.3	6/12	60 ± 13.1	0/12	none
	27	12/12	48 ± 0	12/12	64 ± 21.3	11/12	65.4 ± 18.9	11/12	69.8 ± 16.8	1/12	72 ± 0
C. albicans (iAST)	21	12/12	39.8 ± 4.4	12/12	44.4 ± 3.8	12/12	77.4 ± 12.2	12/12	71 ± 12.1	0/12	none
	27	12/12	38.8 ± 5.7	12/12	43.6 ± 3.8	12/12	63.2 ± 10.2	12/12	63.2 ± 10.2	2/12	81.6 ± 3.4
C. albicans (TSB)	21	12/12	90 ± 10.8	12/12	86 ± 16.1	12/12	96 ± 0	12/12	96 ± 0	0/12	none
	27	12/12	84 ± 21.7	12/12	90 ± 10.8	12/12	84 ± 12.5	12/12	94 ± 6.9	0/12	none
A. brasiliensis (iAST)	21	12/12	62.8 ± 5.3	12/12	65.4 ± 3.8	12/12	71.2 ± 8.4	8/12	83.4 ± 8	0/12	none
	27	12/12	57.8 ± 8.9	12/12	67.6 ± 7.6	12/12	68.4 ± 6.5	8/12	81.3 ± 9.3	0/12	none
A. brasiliensis (TSB)	21	12/12	90 ± 10.85	12/12	86 ± 16.04	12/12	96 ± 0	12/12	104 ± 11.8	0/12	none
	27	12/12	76 ± 13.8	12/12	74 ± 6.9	12/12	80 ± 11.8	10/12	100.8 ± 18.9	0/12	none

TTD, time to detection; SD, standard deviation.