Fig. 1From: Relative lymphocyte count as an indicator of 3-year mortality in elderly people with severe COPDa. Survival curves for end-point (death) by relative lymphocyte count. Test statistics for equality of survival distribution for relative lymphocyte count: p = 0.0004 by log-rank. %L denotes percentage of lymphocytes. b. Three-year survival by tertiles of lymphocyte count at study entryBack to article page