Table 1.
Fit factors of 6 FFP respirators and 3 surgical masks (SMs). Total observations are 30 (30 subjects).
FFP1_A | FFP2_A | FFP3_A | FFP1_B | FFP2_B | FFP3_B | SM_C | SM_D | SM_E | |
---|---|---|---|---|---|---|---|---|---|
Percentage of fit factors > 100 (%) | 93.3 | 80.0 | 73.3 | 60.0 | 93.3 | 76.7 | 0 | 0 | 0 |
Geometric mean | 171.6 | 112.4 | 103.2 | 75.0 | 174.2 | 138.4 | 3.0 | 2.1 | 3.1 |
Geometric standard deviation | 1.7 | 2.2 | 3.0 | 2.9 | 2.5 | 4.9 | 1.7 | 1.6 | 1.8 |