Figure 4From: Dysregulated apoptosis and NFκB expression in COPD subjects Percent of apoptotic neutrophils in sputum by DNA strand breaks (Tunel) and morphological features of apoptosis. Data are displayed as median (interquartile range). Kruskal-Wallis test was used to determine any significant differences between the 3 groups, followed by post-hoc analysis (Dunn's Multiple Comparison test). p values shown are from post-hoc analysis.Back to article page