Fig. 4
From: Bacteria and sputum inflammatory cell counts; a COPD cohort analysis
Stability of Haemophilus influenzae presence and airway neutrophil % over 6 months. Scatter correlation of Haemophilus influenzae (HI) genome copies/mL at baseline versus 6 months thereafter (n = 122) (a). Scatter correlation of sputum neutrophil percentage at baseline versus 6 months thereafter (n = 69) (b). Statistical analysis was performed using Spearmans Rank order correlation. Data represent individual patients with linear regression