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Table 4 Comparative analysis of ROC curves of RDW and RDW/ALB ratio for all-cause mortality

From: Impact of red cell distribution width and red cell distribution width/albumin ratio on all-cause mortality in patients with type 2 diabetes and foot ulcers: a retrospective cohort study

 

RDW

AUC (95% CI)

RDW/ALB

AUC (95% CI)

DBA

(95%CI)

P-value

Total

0.634 (0.601–0.666)

0.660 (0.628–0.692)

0.027 (− 0.027 to 0.080)

0.329

No severe DFUs

0.618 (0.567–0.666)

0.713 (0.665–0.757)

0.095 (0.012 to 0.179)

0.025

Severe DFUs

0.650 (0.605–0.693)

0.606 (0.561–0.651)

0.044 (− 0.026 to 0.113)

0.216

No severe PAD

0.662 (0.604–0.716)

0.808 (0.758–0.852)

0.146 (0.028 to 0.264)

0.015

Severe PAD

0.610 (0.564–0.656)

0.630 (0.583–0.674)

0.019 (− 0.046 to 0.084)

0.562

Age < 65

0.551 (0.493–0.609)

0.741 (0.688–0.790)

0.190 (0.050 to 0.330)

0.008

Age ≥ 65

0.625 (0.583–0.665)

0.654 (0.613–0.693)

0.029 (− 0.029 to 0.087)

0.329

  1. ROC receiver operating characteristic, RDW red cell distribution width, ALB albumin, DBA difference between areas, AUC area under curve, DFUs diabetic foot ulcers, PAD peripheral artery disease. Results with P value <0.05 were emphasized using bold letters.