The multifactorial dynamic perfusion index: A predictive tool of cardiac surgery associated acute kidney injury.

The bias of the three coefficients was negligible and the p values remained highly significant: • Constant: Bias −0.033, standard error 0.229, 95% CI –3.90 to −2.96, p = 0.001 • SRM: Bias −0.058, standard error 1.51, 95% CI 1.26–7.30, p = 0.004 • DPR: Bias 0.238, standard error 1.55, 95% CI 2,89–8.96, p = 0.001 The MDPI was tested for discrimination using an ROC analysis ( Figure 2 ), in comparison with the other three existing CSA-AKI predictive models.

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