Comment Likely death not likely (Score 4, Informative) 104
Death is a quite rare thing; ignoring age and other factors, the probability of someone to die within five years is less than 5%. Even when you belong to the top 20% in terms of risk, the probability of death is just 15%, so you're much more likely to be alive than dead after this time. And for what it's worth, the biomarkers are strongly correlated with other factors like "does this person have cancer?", so that in the end the authors say that their new model is just 4% better than previously used models.