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. 2004 Aug 10;91(5):829–833. doi: 10.1038/sj.bjc.6602018

Table 4. Prognostic indexa.

Score Number HR Median survival (days)
2–4 17 1 138
5–6 16 1.2 80
7–8 24 2.2 42
9–10 14 9.6 18
11+ 10 14 15
a

Prognostic index=number of ECM sites+(2 × RPA)+(2 if PD in brain on imaging)+(4 if meningeal).