TABLE III.
Mean Particle Concentration (percentage) and Particle Size Measured in Particles/Foot3 at Distinct Timepoints Throughout Diagnostic Nasal Endoscopy and Nasal Endoscopy with Debridement.
| Particle Size (um) | Total | 0.3 | 0.5 | 1 | 2.5 | 5 | 10 |
|---|---|---|---|---|---|---|---|
| Mean particle concentration (Percent) | |||||||
| Empty room | 3,863.7 | 2,938 (76.0) | 810 (21.0) | 102 (2.6) | 12 (0.3) | 1 (0.03) | 0.7 (0.01) |
| Diagnostic nasal endoscopy | |||||||
| Pre | 6,195 | 4,509 (72.8) | 1,388 (22.4) | 250 (4.0) | 36 (0.58) | 7 (0.10) | 5 (0.07) |
| During | 6,022 | 4,444 (73.8) | 1,307 (21.7) | 231 (3.8) | 32 (0.53) | 5 (0.08) | 3 (0.05) |
| Post | 6,014 | 4,393 (73.0) | 1,335 (22.2) | 245 (4.1) | 31 (0.52) | 6 (0.09) | 4 (0.07) |
| Nasal endoscopy with debridement | |||||||
| Pre | 5,539 | 4,014 (72.5) | 1,252 (22.6) | 228 (4.1) | 35 (0.64) | 6 (0.12) | 4 (0.08) |
| Scope | 7,169 | 5,224 (72.9) | 1,603 (22.4) | 288 (4.0) | 43 (0.60) | 7 (0.10) | 4 (0.06) |
| Cold instrumentation | 8,002 | 5,819 (72.7) | 1,799 (22.5) | 335 (4.2) | 41 (0.51) | 5 (0.06) | 3 (0.04) |
| Suction | 8,514 | 6,160 (72.4) | 1,951 (22.9) | 341 (4.0) | 50 (0.59) | 8 (0.09) | 4 (0.05) |
| Post | 5,816 | 4,232 (72.8) | 1,300 (22.3) | 234 (4.0) | 41 (0.70) | 6 (0.10) | 3 (0.05) |