Calculated Gluten (Range) Number of
Samples
R2 Average Difference 95% Limits of Agreement
(Calculated  Analyzed), g 95% Limits of Agreement
(95% CI) (95% CI)
0 to 5 grams 10 0.42 0.6 -1.8
(-3.3,-0.3)
2.9
(1.4,4.4)
0 to 7.5 grams 14 -0.5 -0.5 -7.3
(-10.8,-3.9)
6.2
(2.8,9.7)
0 to 10 grams 22 -0.3 -0.3 -15.2
(-21.0,-9.3)
14.6
(8.8, 20.5)
Table 2: Average difference between calculated and analyzed gluten, with 95% limits of agreement, for different calculated gluten categories illustrating greatest correlation of estimated gluten for foods with lower gluten content.