Table 3 Concentration of bacterial bioaerosols.
Bacterial bioaerosols concentration | location | Sample size | Mean | SD | Median | IQR |
|---|---|---|---|---|---|---|
Without mask | Yard | 10 | 214.034 | 153.640 | 193.388 | 126.323 |
Resting room | 10 | 668.145 | 812.474 | 321.9 | 793.529 | |
autoclave room | 10 | 199.543 | 126.493 | 230.269 | 160.773 | |
total | 30 | 360.574 | 515.87 | 217.093 | 230.174 | |
3-layer mask | Yard | 10 | 13.675 | 10.409 | 9.831 | 14.869 |
Resting room | 10 | 19.145 | 18.952 | 13.698 | 11.956 | |
autoclave room | 10 | 23.336 | 33.046 | 16.512 | 5.188 | |
total | 30 | 18.719 | 22.365 | 13.675 | 13.27 | |
N95 mask | Yard | 10 | 18.264 | 26.756 | 3.206 | 40.847 |
Resting room | 10 | 18.46 | 14.051 | 17.245 | 23.897 | |
autoclave room | 10 | 38.468 | 76.397 | 13.237 | 29.878 | |
total | 30 | 25.064 | 46.773 | 13.237 | 27.364 |
