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. Author manuscript; available in PMC: 2016 Mar 1.
Published in final edited form as: Int J Eat Disord. 2014 Mar 4;48(2):199–205. doi: 10.1002/eat.22264

Figure 1. GLP-1 Concentrations over Time across Groups by Assay Method.

Figure 1

Plasma levels of GLP-1 in women with bulimia nervosa (BN), purging disorder (PD), and healthy control subjects (Control) in response to a test meal. Baseline pre-prandial measurement is designated as 0 on the x-axis. Values obtained via ELISA represented by filled markers and values obtained via RIA are represented by open markers. Plasma concentrations of GLP-1 pre- and post-prandially are lower in women with BN as compared to Controls (p<0.05) and PD participants (p<0.001). GLP-1, glucagon-like peptide 1. RIA: n = 12 BN, n = 8 PD, n = 8 Controls; ELISA: n = 7 BN, n = 6 PD, n =6 Controls.