Additional file 3 of Distinct COPD subtypes in former smokers revealed by gene network perturbation analysis

Additional file 3: Table S2. Excel file containing this table is attached. Differences in clinical characteristics between clusters 0 and 1. The variables are sorted by descending significance. P-values were calculated with a Wilcoxon rank sum test for continuous and ordinal variables and or a Chi-squared test for discrete and binary variables and asses if there are differences in variable distribution between these clusters.