No ofpatients 5-year relativesurvival rate S.E. % of lost Median(months)
Total 1821 5.06 1.33 5.11 5.15
1-2 st.treated 141 11.39 6.42 7.8 9.22
1-2 st.not treated 172 9.28 6.01 6.4 7.06
3 st. treated 437 4.02 2.45 5.49 7.5
3 st.not treated 345 7.43 3.73 7.25 6.07
4 st.treated 146 3.77 4.75 2.06 3.99
4 st.not treated 448 2.53 1.83 3.13 2.03