Fig. 5From: Sputum cell counts to manage prednisone-dependent asthma: effects on FEV1 and eosinophilic exacerbationsPredicted (calculated) FEV1 vs time in years in females (Baseline to last seen) showing no statistical difference between smokers and nonsmokers; dashed line all patients, solid line smokers, dash and dot line nonsmokers. Predicted rates of decline and FEV1 are for the mean age and mean height for the respective group of the current study populationBack to article page