Skip to main content
. 2016 Jan 12;10(1):014103. doi: 10.1063/1.4939099

TABLE I.

Limits of detection (LOD), Limit of Quantification (LOQ), chi-squared, and R2 values of bacterial detection (CFU/ml).

LOD (CFU/ml) LOD (bacteria/assay) LOQ (CFU/ml) LOQ (bacteria/assay) chi2 R2
Buffer Campylobacter 3.58 × 103 12 1.54 × 104 51 1.37 × 10−3 0.9993
Listeria 5.80 × 103 19 6.65 × 104 222 1.89 × 10−3 0.99892
Shigella 9.09 × 102 3 5.28 × 104 176 2.20 × 10−3 0.99834
E. coli 2.33 × 103 8 4.01 × 104 134 7.30 × 10−3 0.99167
Salmonella 6.72 × 103 22 1.34 × 105 447 2.55 × 10−3 0.99681
Ground water Campylobacter 5.63 × 103 19 2.18 × 104 73 3.70 × 10−3 0.99638
Listeria 9.19 × 103 31 2.70 × 104 90 5.11 × 10−3 0.99571
Shigella 4.67 × 103 16 1.16 × 104 39 2.18 × 10−3 0.99812
E. coli 1.14 × 103 4 3.69 × 103 12 4.90 × 10−3 0.99473
Salmonella 4.58 × 103 15 1.40 × 104 47 2.70 × 10−3 0.99757
Tap water Campylobacter 9.55 × 103 32 3.51 × 104 117 2.88 × 10−2 0.97294
Listeria 4.51 × 103 15 1.52 × 104 51 5.61 × 10−3 0.99499
Shigella 4.97 × 103 17 2.13 × 104 71 4.35 × 10−3 0.9952
E. coli 3.57 × 103 12 1.39 × 104 46 2.73 × 10−3 0.99728
Salmonella 9.43 × 102 3 3.8 × 103 13 5.01 × 10−3 0.99292
Multiplexed Campylobacter 2.41 × 103 8 8.09 × 103 27 3.04 × 10−3 0.99588
Listeria 5.13 × 103 17 2.06 × 104 69 1.36 × 10−3 0.9985
Shigella 4.69 × 103 16 1.37 × 104 46 1.48 × 10−2 0.98556
Salmonella 5.61 × 103 19 1.40 × 104 47 1.54 × 10−3 0.99834