Figure 3From: An experimental model of rhinovirus induced chronic obstructive pulmonary disease exacerbations: a pilot studyDaily and clinic spirometry measurements. (A) 3 day average of home-recorded PEF. There were significant falls in PEF on days 12 – 14 and 21 – 23. * indicates p < 0.05 compared to baseline. (B) FEV1 measured in clinic. There was a significant fall in FEV1 compared to baseline (p < 0.05).Back to article page