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. Author manuscript; available in PMC: 2012 Aug 15.
Published in final edited form as: Clin Cancer Res. 2011 Aug 9;17(16):5443–5450. doi: 10.1158/1078-0432.CCR-11-0553

Table 5.

Summary of Overall Survival by Risk Category

Cut Points Patients Deaths Median Survival (Years) 95% Confidence Interval
Model Overall 3748 3312 0.93 0.88 – 0.98
Dataset Good Risk ≤ −2.755 937 698 2.24 2.10 – 2.44
Intermediate Risk > −2.755
& ≤ −1.253
1874 1703 0.96 0.89 – 1.01
Poor Risk > −1.253 937 911 0.35 0.33 – 0.37
Validation Overall 645 379 1.78 1.62 – 1.99
Dataset Good Risk ≤ −2.67 161 61 3.72 2.94 – nyr*
Intermediate Risk > −2.67
& ≤ −1.05
324 188 1.88 1.65 – 2.25
Poor Risk >1.05 160 130 0.56 0.49 – 0.78
*

nyr=not yet reached