Fig. 3

Prognostic value of RDW for the prediction of all-cause in-hospital mortality. (1) Crude model (AUC 0.858, 95 % CI 0.842–0.873); (2) Crude model with RDW (AUC 0.873, 95 % CI 0.857–0.887); (3) Crude model with SOFA (AUC 0.894, 95 % CI 0.880–0.907); (4) Crude model with RDW and SOFA (AUC 0.903, 95 % CI 0.889–0.916)