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Table 3 Threshold effect analysis of fibrinogen on survival using two-piecewise Cox proportional hazards regression models

From: The prognostic role of plasma fibrinogen in adult secondary hemophagocytic lymphohistiocytosis

Inflection point Group HR (95% CI) P value P for log likelihood ratio test
1.76 ≤ 1.76 0.68 (0.55–0.83) < 0.001 < 0.001
> 1.76 1.08 (0.96–1.21) 0.187  
  1. Analyses were adjusted for age, PLT (platelet), EBV, log10-transform ferritin, MHLH and treatment strategies
  2. HR hazard ratio, CI confidence interval