Efficient representations of binarized health deficit data: the frailty index and beyond.

ABSTRACT: We investigated efficient representations of binarized health deficit data using the 2001-2002 National Health and Nutrition Examination Survey (NHANES). We compared the abilities of features to compress health deficit data and to predict adverse outcomes. We used principal component analysis (PCA) and several other dimensionality reduction techniques, together with several varieties of the frailty index (FI). We observed that the FI approximates the first - primary - component obtained by PCA and other compression techniques. Most adverse outcomes were well predicted using only the FI. While the FI is therefore a useful technique for compressing binary deficits into a single variable, additional dimensions were needed for high-fidelity compression of health deficit data. Moreover, some ou

SUBMITTER: Pridham G 

PROVIDER: S-EPMC10400752 | biostudies-literature | 2023 Jun

REPOSITORIES: biostudies-literature