Correlation between induced sputum neutrophils and particles <5 µm and <10 µm
| Neutrophils % mean±sd | |
| Particles <5 µm# | |
| ≥91.93% | 64.4±24.9 (n=48) |
| <91.93% | 52.4±21.1 (n=45) |
| Particles <10 µm¶ | |
| ≥95.17% | 65.7±25.2 (n=64) |
| <95.17% | 55.5±22.6 (n=29) |
#: p=0.014 (independent t-test); ¶: p=0.055 (independent t-test).