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Table 6 The result of the two-piecewise Cox proportional hazards regression model

From: Nonlinear relationship between atherogenic index of plasma and the risk of prediabetes: a retrospective study based on Chinese adults

Incident prediabetes

HR (95%CI)

P

Fitting model by standard Cox proportional hazards regression

1.41 (1.31, 1.52)

< 0.0001

Fitting model by two-piecewise Cox proportional hazards regression

 

Inflection points of AIP

0.03

 

 ≤ 0.03

1.90 (1.66, 2.16)

< 0.0001

 > 0.03

1.04 (0.91, 1.19)

0.5528

P for log likelihood ratio test

< 0.001

 
  1. We adjusted for gender, age, SBP, DBP, family history of diabetes, drinking status, smoking status, BMI, TC, LDL-C, AST, ALT, Scr, BUN, FPG
  2. HR, hazard ratios; CI, confidence; AIP: atherogenic index of plasma