Follow Up (FU) clinical FU at USZ FU information from letters/charts/calls known death
years (y) % letters/charts/calls +/- clinical FU, % %
<5y 22 0 0
>/=5y 78 100 16%
5-10y 19 7 0
>10-15y 23 9 0
>15-20y 15 19 2
>20-25y 9 35 2
>25-30y 10 24 5
>30y 2 6 7
Table 2: Follow up characteristics of the own cohort.