TABLE 2.

Correlation coefficients (r) and P values between A1C, fructosamine, GG, and C_i-to-C_o ratio^*

	r	P
A1C vs. fructosamine	0.77	<0.001
A1C vs. GG	0.76	<0.001
GG vs. fructosamine	0.17	0.40
Ci-to-Co vs. A1C*	0.44	0.025
Ci-to-Co vs. GG	0.45	0.023
Ci-to-Co vs. fructosamine	0.23	0.26

^*Ratio of sugar concentration inside to outside measured as ¹⁴C-3OMG CPM inside vs. outside (see Fig. 6 legend).