Table 3 Percentage of aerosols dispersed to each location (inside the room, under the doorway, and at the nursing station) after aerosolization.
From: Assessment of aerosol persistence in ICUs via low-cost sensor network and zonal models
ICU | Negative Pressure | Positive Pressure | Neutral Pressure | ||||||
|---|---|---|---|---|---|---|---|---|---|
Inside (%) | Doorway (%) | Nurse Station (%) | Inside (%) | Doorway (%) | Nurse Station (%) | Inside (%) | Doorway (%) | Nurse Station (%) | |
ICU 1 | 103.4 ± 0.8 | − 2.5 ± 0.5 | − 0.9 ± 0.3 | 101.3 ± 0.9 | − 0.3 ± 0.9 | − 1.0 ± 0.0 | 97.5 ± 2.0 | 2.9 ± 1.8 | − 0.5 ± 0.3 |
ICU 2 | N/A | N/A | N/A | 94.1 ± 1.9 | 4.3 ± 1.4 | 1.6 ± 0.6 | 86.3 ± 4.2 | 14.2 ± 1.4 | 0.6 ± 0.3 |
ICU 3 | 101.8 ± 1.3 | − 1.2 ± 0.9 | − 0.5 ± 0.4 | 97.5 ± 2.7 | 6.0 ± 0.1 | − 3.5 ± 2.6 | 95.1 ± 1.5 | 5.6 ± 1.8 | − 0.8 ± 0.5 |
ICU 4 | N/A | N/A | N/A | N/A | N/A | N/A | 79.8 ± 2.1 | 18.5 ± 1.3 | 1.7 ± 1.0 |