Effect of cold exposure on determinants of glucose tolerance. Effect of cold exposure on determinants of glucose tolerance. Blood glucose levels (A), plasma insulin levels (B), AIRG (C), insulin sensitivity (SI) (D), disposition index (DI) (E), SG (F), BIE (G), and the insulin-independent parameter, GEZI (H ), in fasted adult male Wistar rats that were exposed to room temperature (22°C) or the cold (4°C) for 28 h and underwent a FSIGT. Mean ± SEM. *P < 0.05 vs. room temp. Gregory J. Morton et al. Diabetes 2017;66:823-834 ©2017 by American Diabetes Association