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. 2007 Nov 22;586(Pt 3):899–911. doi: 10.1113/jphysiol.2007.143586

Figure 4. Glucose infusion, but not intermittent hypoxia, increased plasma insulin levels.

Figure 4

A, changes in plasma insulin over time during saline infusion (intermittent hypoxia, n = 17; intermittent air n = 13). B, changes in plasma insulin over time during glucose infusion (intermittent hypoxia, n = 14; intermittent air n = 14). C, averaged changes in plasma insulin during the light and dark periods for all four experimental groups (note: data for dark period is plotted twice to highlight the diurnal rhythm). Analysis by two-way ANOVA revealed a significant effect of infusion (glucose > saline; P < 0.0001), but no effect of intermittent hypoxia exposure and no interaction.