Serial number GI GII Time Events Number at risk Probabilities Time Events Number at risk Probabilities 1   2   3   4   5   6   7 2   4   6   8   10   12   14 0   1   1   0   0   1   1 7   6   5   4   3   2   1     0.8333   0.6667           0.3333   0.0000 4   16   64   256   1024   4096   16284 0   1   1   0   0   1   1 7   6   5   4   3   2   1     0.8333   0.6667           0.3333   0.0000

Table 1: Fictive survival probabilities of two dummy groups.