Table 4 Geometric Mean (Geometric Standard Deviation) of Indoor/Outdoor Ratios and Indoor Spore Concentrations by Ventilation/Filtration Type
From: Control of asthma triggers in indoor air with air cleaners: a modeling analysis
Ventilation on/Filtration | I/O Ratio | Whole House (spores/m3) | Bedroom 2a (spores/m3) |
|---|---|---|---|
N | 0.34 (2.6) | 303 (7.0) | 238 (9.4) |
C | 0.16 (2.7) | 141 (5.8) | 131 (6.3) |
C5 | 0.13 (3.1) | 111 (6.7) | 97 (8.0) |
C+1P | 0.14 (2.9) | 128 (6.0) | 54 (8.5) |
C+2P | 0.14 (2.9) | 119 (6.2) | 52 (8.8) |
HE | 0.07 (4.1) | 57 (8.3) | 41 (13.0) |