Table 1 Median value and interquartile range of particulate matter measurements.
From: Investigating surgical smoke in otolaryngology operating rooms
Sampling location and time | Particulate matter size | Median value | Interquartile range |
|---|---|---|---|
Before the operation (1) | 0.3 μm | 8249 | 8653 |
0.5 μm | 4725.5 | 2738.5 | |
5.0 μm | 551.5 | 580 | |
Beginning of the operation in the main knife range (2a) | 0.3 μm | 11,857 | 181,622.2 |
0.5 μm | 2716 | 68,040.3 | |
5.0 μm | 254 | 764.5 | |
Beginning of the operation outside the operating table (2b) | 0.3 μm | 8602.5 | 19,953.8 |
0.5 μm | 3551.5 | 6085 | |
5.0 μm | 212 | 587.3 | |
After 5–10 min. in the main knife range (3a) | 0.3 μm | 9112 | 4544.3 |
0.5 μm | 2971 | 11,241.8 | |
5.0 μm | 226 | 303.3 | |
After 5–10 min. outside the operating table (3b) | 0.3 μm | 4853 | 12,677.8 |
0.5 μm | 2023 | 2660.5 | |
5.0 μm | 254 | 255 | |
At the end of the operation (4) | 0.3 μm | 7683 | 9289.8 |
0.5 μm | 3707 | 4726 | |
5.0 μm | 368 | 737.8 | |
Outside the operating room (5) | 0.3 μm | 4966.5 | 4839.3 |
0.5 μm | 2532.5 | 1903.8 | |
5.0 μm | 339 | 227 |
