Fig. 4

RCS analysis of NPR and mortality. A: Unadjusted 28-day mortality RCS analysis, B: Unadjusted 90-day mortality RCS analysis, C: RCS analysis of adjusted 28-day mortality, D: RCS analysis of adjusted 90-day mortality. The curve represents the estimated adjusted hazard ratio, and the shadow stripe represents a 95% confidence interval. NPR: neutrophil-platelet ratio, CI: confidence interval