TABLE 3.
Risk scenario | Analyzed limit of detection | Percentile | Estimates of risk for % of sample inhaled
|
|||
---|---|---|---|---|---|---|
100% | 66.5% | 10% | 1% | |||
Real-time PCR median instrument limit of detection | 429 cells/ml | 5th | 0.007 | 0.0047 | 0.0007 | 0.00007 |
Median | 0.006 | 0.0042 | 0.00063 | 0.000063 | ||
95th | 0.037 | 0.025 | 0.0038 | 0.00038 | ||
Real-time PCR instrument limit of detection | 10-34,300 cells/ml | 5th | 0.0001 | 0.000067 | 0.00001 | 0.000001 |
Median | 0.0062 | 0.0041 | 0.00062 | 0.000062 | ||
95th | 0.28 | 0.19 | 0.032 | 0.0032 | ||
Lower environmental limit of detection in the air | 17,000 CFU/m3 | 5th | 0.026 | 0.017 | 0.0026 | 0.00026 |
Median | 0.22 | 0.15 | 0.025 | 0.0025 | ||
95th | 0.78 | 0.63 | 0.14 | 0.015 | ||
Upper environmental limit of detection in the air | 50,000 CFU/m3 | 5th | 0.075 | 0.051 | 0.0078 | 0.00078 |
Median | 0.52 | 0.39 | 0.071 | 0.0073 | ||
95th | 0.998 | 0.98 | 0.46 | 0.06 | ||
Assumed environmental limit of detection in the air | 17,000-50,000 CFU/m3 | 5th | 0.03 | 0.02 | 0.003 | 0.00031 |
Median | 0.32 | 0.23 | 0.038 | 0.0038 | ||
95th | 0.94 | 0.85 | 0.25 | 0.028 |