A modified oral sugar test for evaluation of insulin and glucose dynamics in horses

Table 3 Calculated variables and measures for the oral sugar test (OST) in healthy Shetland ponies (n = 7), Icelandic horses (n = 8) and Standardbred horses (n = 8)

	Shetland ponies	Icelandic horses	Standardbred horses	P value
AUC_GLU (mmol/L × min)	1071 ± 136	1239 ± 167	1100 ± 96	0.055
AUC_INS (ng/L × min)	32,235 ± 14,797	29,130 ± 14,655	26,967 ± 7600	0.728
ISI_COMP	2.2 (1.5–3.2)	2.6 (1.8–3.7)	2.8 (1.9–4.0)	0.608
Peak_INS (ng/L)	301 (203–446)	237 (164–342)	259 (179–374)	0.652
T-peak_INS (min)	56 ± 27	75 ± 23	75 ± 23	0.234

Data are presented as mean ± SD for AUC_GLU and AUC_INS; and as geometric mean (95 % confidence interval) for Peak_INS and ISI_COMP
AUC _GLU area under the curve for glucose; AUC _INS area under the curve for insulin; ISI _COMP composite whole-body insulin sensitivity index; Peak _INS peak concentration for insulin; T-peak _INS time to peak concentration for insulin; SD standard deviation

ISSN: 1751-0147