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Normal range of induced sputum differential cell percentages
| Mean ± SD | Mean −2 SD | Mean +2 SD | Median (interquartile range) |
Percentile
|
||
|---|---|---|---|---|---|---|
| 10th | 90th | |||||
| Neutrophils | 50.3±23.5 | 3.3 | 97.3 | 51.9 (32) | 15.0 | 82.2 |
| Eosinophils | 1.4±2.3 | −3.2 | 6.0 | 0.3 (2) | 0.0 | 4.5 |
| Macrophages | 43.0±22.8 | −2.6 | 88.6 | 39.3 (32) | 14.0 | 73.8 |
| Lymphocytes | 2.6±5.2 | −7.8 | 13.0 | 0.4 (2.5) | 0.0 | 7.0 |
| Bronchial epithelial cells | 2.2±4.8 | −7.4 | 11.8 | 0.0 (2.9) | 0.0 | 7.3 |
