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. 2012 Nov 14;35(12):2580–2587. doi: 10.2337/dc12-0197

Figure 2.

Figure 2

Correlation of OGTT GLP-1 and C-peptide ΔAUCs (A), OGTT IGI (0–30 min) (B), slope of clamp test insulin release (C), and OGTT gut glucose absorption (D), as well as correlations of M/I with body fat mass (E), basal insulin secretion (F), and insulin secretion at clamp end (in percent change relative to baseline) (G), in obese patients before (pre-OP; n = 6; ■ or black columns) and after RYGB surgery (post-OP; n = 6; □ or dark-gray columns), as well as matching obese (CONob; n = 6; ● or light-gray columns) and lean controls (CONlean; n = 6; ○ or white columns). Kruskal-Wallis test: ★P < 0.05, pre-OP vs. post-OP; §P < 0.05, pre-OP vs. CONob; &P < 0.05, pre-OP vs. CONlean; #P < 0.05, post-OP vs. CONob; €, post-OP vs. CONlean; $P < 0.05, CONob vs. CONlean.