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Odds ratios for associations between the use of personal dust protection and neutrophil accumulation and single-breath diffusing capacity of the lung for carbon monoxide (DLCOsb) decline
| OR (95% CI) | p-value# | |
| Particles <5 µm >91.93% | 7.0 (1.3–36.2) | 0.017 |
| Particles <10 µm >95.17% | 7.8 (2.4–25.5) | 0.001 |
| Neutrophils >65% | 1.382 (0.4–4.2) | 0.777 |
| DLCOsb <80% pred | 1.471 (0.5–4.0) | 0.613 |
#: significance was set at p<0.05.
