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Table 5 Comparison of IHD predictivity between TC/HDL-C and non-HDL-C shown as Harrell’s C, ΔC and AIC

From: Total cholesterol/HDL-C ratio versus non-HDL-C as predictors for ischemic heart disease: a 17-year follow-up study of women in southern Sweden

Test Age-adjusted model TC/HDL-C Full model* TC/HDL-C Δ C (p-value) Full model vs age-adjusted model
n 6537 6537  
Harrell’s C 0.62 0.65 0.028 (p < 0.001)
AIC 9472 9431  
Test Age-adjusted non-HDL-C Full model* non-HDL-C Δ C (p-value) Full model vs age-adjusted model
Harrell’s C 0.59 0.64 0.042 (p < 0.001)
AIC 9508 9453  
Comparisons of predictivity    
Δ C (p-value) TC/HDL-C vs. non-HDL-C 0.024 (p = 0.003) 0.01 (p = 0.061)  
AIC comparison AIC TC/HDL-C < AIC non-HDL-C AIC TC/HDL-C < AIC non-HDL-C  
  1. IHD ischemic heart disease, TC/HDL-C total cholesterol/high density lipoprotein cholesterol, non-HDL-C total-cholesterol minus HDL-C, AIC Akaike Information Criterion
  2. *Adjusted for all included variables: agec, waist hip ratio, smoking, exercise, diabetes mellitus type 2 and blood pressure. p<0.05 was considered statistically significant