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Table 3 Multivariate analysis of mortality of elderly patients with PAD

From: Risk stratification and mortality prediction in octo- and nonagenarians with peripheral artery disease: a retrospective analysis

Model

Adjusted R2

R2 change

Sig. F Change

Troponin I Ultra

0.231

0.239

 < 0.001

Troponin I Ultra and NTproBNP blood levels

0.281

0.058

0.006

Troponin I Ultra, NTproBNP and Rutherford stage

0.308

0.033

0.034