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Clinical phenotypes and factors associated with noneosinophilic airway inflammation in asthma.
| Mild to severe asthma in nonsmokers or exsmokers (both controlled and uncontrolled) |
| Smokers with asthma |
| High basal metabolic index (subgroup) |
| Occupational asthma (subgroup) |
| Factors associated with higher neutrophil counts |
| - Older age |
| - Exposure to environmental pollution |
| - Respiratory infections |
