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. 2011 Dec;77(24):8615–8624. doi: 10.1128/AEM.05818-11

Table 6.

Equivalences between methodsa

Unit (method) Equivalent to:
T (days) qPCR (GE) SD CV (%) VC (CFU) SD CV (%)
1 CFU (VC) 0 0.79 0.58 73.76 3.59 × 104 3.15 × 104 87.74
7 0.23 0.16 72.27 2.62 × 106 2.95 × 106 112.67
14 0.80 0.56 70.27 9.23 × 106 4.69 × 106 50.75
21 5.70 6.28 110.32 5.53 × 106 6.99 × 106 126.36
28 8.83 5.20 55.88 4.90 × 106 3.64 × 106 74.18
35 17.23 9.53 55.34 2.60 × 106 1.54 × 106 59.24
42 22.01 14.46 65.69 4.32 × 106 3.30 × 106 76.39
49 19.64 12.70 64.69 3.15 × 106 2.53 × 106 80.38
63 28.76 28.70 99.79 4.08 × 106 4.37 × 106 107.09
98 24.51 19.31 78.78 3.88 × 106 2.88 × 106 74.38
140 187.23 280.62 149.88 8.70 × 105 8.71 × 105 100.15
1 mg (wet wt) 2.03 × 104 1.39 × 104 68.59
4.95 × 105 6.48 × 105 131.63
6.78 × 106 3.84 × 106 56.59
1.95 × 107 1.32 × 107 67.58
3.36 × 107 1.31 × 107 38.90
3.82 × 107 1.64 × 107 43.05
5.95 × 107 1.82 × 107 30.56
4.14 × 107 1.85 × 107 44.71
5.87 × 107 2.15 × 107 36.61
6.02 × 107 2.39 × 107 39.75
5.39 × 107 2.67 × 107 49.55
a

Equivalences from the present study calculated as the mean for all strains for each time point.