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Table 3 The predicting performance of RAR-model and RDW-model and albumin-model

From: Association between red blood cell distribution width-to-albumin ratio and prognosis of patients with acute myocardial infarction

Models

Training set (n = 1457)

Testing set (n = 624)

C-index (95%CI)

P

C-index (95%CI)

P

RDW-model

0.594 (0.569–0.619)

Ref

0.592 (0.555–0.629)

Ref

Albumin-model

0.574 (0.548–0.599)

< 0.001

0.606 (0.569–0.643)

0.074

RAR-model

0.610 (0.586–0.634)

< 0.001

0.629 (0.593–0.665)

< 0.001

  1. HR, hazard ratio; CI, confidence interval; RDW, red blood cell distribution width; RAR, the ratio of the RDW to albumin; Ref, reference