Bottom line: Currently, there is no evidence that indices for predicting mortality in older adults improves clinical outcomes.
Systematic review of validated prognostic indices; looked at potential for bias and generalizability to populations in other settings. CONCLUSION: More research needs to be done by independent authors to validate and test generalizability.
See accompanying editorial on use of prognostic indices: Gill TM. The Central Role of Prognosis in Clinical Decision Making. JAMA. 2012 January 11;307(2)