OS in days from diagnosis for patients 70 to 79 years of age with AML (non-APL) diagnosed in 1997 to 2006 according to palliative versus intensive intention and WHO/ECOG PS. (A) PS 0-I. (B) PS II. (C) PS III-IV. Note the logarithmic scale on x-axis to emphasize early deaths. Survival < 1 day was set to 1.