Fig. 4From: Clinical utility of blood neutrophil-lymphocyte ratio in Japanese COPD patientsTrend in NLR changes over 3 years. The trend of NLR changes in the none, mild and moderate/severe exacerbations groups was significantly different (p = 0.006). Moderate/severe exacerbation vs exacerbation-free, p = 0.014; Moderate/severe exacerbation vs mild exacerbation, p = 0.022. NLR, Neutrophil-to-Lymphocyte ratioBack to article page