Letters Section Editor: Robert M. Golub, MD, Senior Editor.
To the Editor: Dr Lee and colleagues1 reported the development and validation of a 12-item prognostic index for 4-year mortality in 2 cohorts of persons aged 50 through 85 years. The risk index has excellent discriminative power, indicated by a c statistic of 0.82 in the validation cohort. The authors conclude that the prognostic index can stratify patients 50 years or older into high-, intermediate-, and low-risk groups that may be useful for clinical decision making.
de Craen AJM, Westendorp RGJ. Prognostic Index for 4-Year Mortality in Older Adults. JAMA. 2006;296(6):648–649. doi:10.1001/jama.296.6.648-b
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