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. 2013 Jan 25;12:24. doi: 10.1186/1475-2840-12-24

Table 1.

Estimated parameters and coefficients of the two models

 
Model with glucose
Glucose vs. cholesterol
Model with cholesterol
  Estimate (95% CI) P-value Estimate (P-value) Estimate (95% CI) P-value
α men
−47.7 (−50.7; -44.4)
<0.001
 
−47.5 (−50.7; -44.4)
<0.001
p men
9.9 (9.2; 10.6)
<0.001
 
9.9 (9.2; 10.6)
<0.001
α women
−58.8 (−62.7; -54.9)
<0.001
 
−58.5 (−62.4; -54.6)
<0.001
p women
12.4 (11.5; 13.2)
<0.001
 
12.5 (11.7; 13.1)
<0.001
Current smoking
0.37 (0.20; 0.54)
<0.001
 
0.34 (0.17; 0.51)
<0.001
Systolic blood pressure (mmHg)
0.01 (0.01; 0.02)
<0.001
 
0.01 (0.01; 0.02)
<0.001
Glucose (mmol/l)
0.10 (0.06; 0.14)
<0.001
 
 
 
Cholesterol (mmol/l)
 
 
 
0.10 (0.00; 0.20)
0.046
Model comparison
 
 
 
 
 
Brier score (mean, cross-validated)
2216 x 10-5
 
(0.287)
2232 x 10-5
 
AUC (cross-validated)
0.9181
 
 
0.9169
 
IDI (glucose vs. cholesterol)
 
 
0.009 (0.026)
 
 
Model comparison, external validation*
 
 
 
 
 
Brier score (mean)
7662 x 10-5
 
(0.245)
7744 x 10-5
 
AUC
0.8766
 
 
0.8737
 
IDI (glucose vs. cholesterol)     0.029 (<0.001)    

*with data from the third National Health and Nutrition Examination Survey (NHANES III).

AUC area under the receiver-operating characteristic curve; IDI integrated discrimination improvement.