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. 2019 Sep 13;8(10):1372–1382. doi: 10.1530/EC-19-0317

Table 2.

Alcohol, glucose, insulin, C-peptide, glucagon, GIP, GLP-1 and FGF21.

Administration form: IGEI IVEI T test (P values)
Alcohol
 Baseline (g/L) 0 ± 0 0 ± 0
 AUC0–240 min (g/L × min) 251 ± 26 256 ± 30 0.38
 Peak plasma concentration (g/L) 1.7 ± 0.3 1.8 ± 0.3 0.22
 Time to peak (min) 38 ± 18 44 ± 4.3 0.24
Glucose
 Baseline (mmol/L) 4.9 ± 0.3 4.9 ± 0.2 0.54
 AUC0-240 min (mmol/L × min) 1177 ± 65 1127 ± 186 0.30
 Peak plasma concentration (mmol/L) 5.3 ± 0.4 5.3 ± 0.3 0.34
 Time to peak (min) 36 ± 53 54 ± 60 0.65
Insulin
 Baseline (pmol/L) 53 ± 19 50 ± 18 0.67
 AUC0-240 min (pmol/L × min) 12 ± 4.0 11 ± 3.7 0.18
 Nadir (pmol/L) 36 ± 14 27 ± 12 0.04
 Time to nadir (min) 86 ± 98 55 ± 40 0.23
C-peptide
 Baseline (pmol/L) 321 ± 72 325 ± 87 0.82
 AUC0-240 min (pmol/L × min) 69 ± 17 69 ± 21 0.95
 Nadir (pmol/L) 242 ± 58 235 ± 74 0.77
 Time to nadir (min) 151 ± 106 105 ± 91 0.08
Insulin secretion rate
 Baseline (pmol/kg/min) 1.1 ± 0.3 1.1 ± 0.3 0.98
 AUC0-240 (pmol/kg/min × min) 220 ± 56 219 ± 53 0.97
 Nadir (pmol/kg/min) 0.6 ± 0.2 0.7 ± 0.2 0.94
 Time to nadir (min) 93 ± 104 86 ± 89 0.88
Insulin/glucose ratio
 Baseline (pmol/mmol) 11 ± 2.7 10 ± 2.5 0.60
 AUC0-240 (pmol/mmol × min) 2504 ± 786 2153 ± 687 0.20
 Nadir (pmol/mmol) 7.0 ± 2.5 5.3 ± 1.8 0.04
 Time to nadir (min) 61 ± 88 44 ± 4.1 0.52
Beta cells
 Insulinogenic index −29 ± 88 −127 ± 152 0.05
Glucagon
 Baseline (pmol/L) 6.0 ± 3.8 5.1 ± 1.7 0.45
 AUC0-240 min (pmol/L × min) 1013 ± 678 1227 ± 552 0.20
 Nadir (pmol/L) 2.2 ± 1.5 2.5 ± 1.6 0.37
 Time to nadir (min) 41 ± 34 40 ± 27 0.91
GIP
 Baseline (pmol/L) 17 ± 7.7 15 ± 4.6 0.14
 AUC0-240 min (pmol/L × min) 2479 ± 1071 2496 ± 1240 0.96
 Peak plasma concentration (pmol/L) 18 ± 5.6 18 ± 7.8 0.89
 Time to peak (min) 70 ± 81 160 ± 73 0.01
GLP-1
 Baseline (pmol/L) 19 ± 7.9 21 ± 9.4 0.52
 AUC0-240 min (pmol/L × min) 5093 ± 2103 4266 ± 1707 0.24
 Peak plasma concentration (pmol/L) 30 ± 9.2 30 ± 7.9 0.67
 Time to peak (min) 44 ± 34 65 ± 113 0.56
FGF21
 Baseline (pg/mL) 31 ± 35 30 ± 35 0.89
 AUC0-240 min (pg/mL × min) 37,738 ± 27,855 32,592 ± 20,728 0.21

Differences between groups were compared with paired T test. Data are mean ± s.d.

AUC, area under the curve; FGF21; fibroblast growth factor 21; GIP, glucose-dependent insulinotropic polypeptide; GLP-1, glucagon-like peptide 1; IGEI, intragastric alcohol infusion; IVEI, intravenous alcohol infusion.