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Figure 1 | Nutrition & Metabolism

Figure 1

From: Equivalent glycemic load (EGL): a method for quantifying the glycemic responses elicited by low carbohydrate foods

Figure 1

Illustration of EGL calculations. Points represent AUC values elicited by doses of white bread containing 0, 5, 10 and 20 g avCHO. A: Sample calculation of EGL using data from one subject. The regression equation (solid line) is: AUC = 4.3 g + 4.0 where g = grams of avCHO. Thus, if a serving of a test food elicits and AUC of 42, the EGL value is 8.8. B: Effect of uncertainty in estimate of the slope and y-intercept on EGL values. Data are from the subject whose data yielded a correlation coefficient equivalent, r = 0.971, equivalent to the average for all 20 subjects. The solid line is the regression equation and the curved dashed lines the 95% confidence band of the regression equation. For an EGL value of 7.1 (i), the corresponding AUC is 54 (ii); the 95% confidence interval for the EGL value corresponding to an AUC of 54 is 0–14 (iii).

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