TABLE III. Numbers of Particles in Different Presumed Equilibrium Diameter Ranges Emitted in 90 Coughs According to Louden and Roberts.
| Diameter Range (μm) | Number of Particles in 90 Coughs |
|---|---|
| 1–2.9 | 10,879 |
| 2.9–5.8 | 9026 |
| 5.8–8.7 | 562 |
| 8.7–11.2 | 300 |
| 11.2–26 | 1650 |
| 26–55.5 | 5760 |
| 55.5–85 | 5205 |
| 85–114 | 2775 |
| 114–144 | 1785 |
| 144–173 | 1050 |
| 173–203 | 480 |
| 203–232 | 390 |
| 232–262 | 315 |
| 262–291 | 240 |
| 291–350 | 450 |
| 350–439 | 45 |
| 439–586 | 450 |
| 586–734 | 165 |
| 734–881 | 120 |
| 881–1029 | 30 |
| 1029–1176 | 60 |
| 1176–1471 | 150 |
| > 1471 | 60 |
Source: Data from Loudon and Roberts, “Droplet Expulsion from the Respiratory Tract.” American Review of Respiratory Disease 95:435–442, Table 1 (1967).