Fig. 3 | Scientific Reports

Fig. 3

From: Association of liver fibrosis−4 index with functional outcomes in chinese patients with acute ischemic stroke undergoing mechanical thrombectomy

Fig. 3

Nonlinear Relationship Between FIB−4 Index and Poor Outcomes. Restricted cubic spline analyses showing nonlinear associations between FIB−4 index and 90-day poor functional outcomes across three models: (A) unadjusted, (B) adjusted for clinical factors, and (C) fully adjusted for clinical and laboratory parameters. Red lines show odds ratios with 95% confidence intervals (pink shading). Blue histograms display FIB−4 index distribution. All models revealed significant nonlinearity (P < 0.01) with consistent break-points at FIB−4 = 2.4, above which risk increased exponentially. Dashed lines at odds ratio = 1 indicate reference level.

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