Diagnostic accuracy of blood sucrose as a screening test for equine gastric ulcer syndrome (EGUS) in adult horses

Table 1 Sensitivity, specificity, positive and negative predictive values of blood sucrose for diagnosis of GL in horses after administration of 1 g/kg of sucrose via nasogastric intubation

Time of sampling (min)	Cut-off (µmol/l)	Disease present	Disease absent	Sp (%)	Se (%)	NPV (%)	PPV (%)
Time of sampling (min)	Cut-off (µmol/l)	Disease present	Disease absent	95% CI	95% CI	95% CI	95% CI
45	4.61	84	17	52.9	67.9	25.0	87.7
45	4.61	84	17	28–77	57–78	12–42	77–95
90	4.57	84	17	47.1	78.6	30.8	88.0
90	4.57	84	17	23–72	68–87	14–52	78–94

GL gastric lesions, Se sensitivity, Sp specificity, NPV negative predictive value, PPV positive predictive value, 95% CI 95% confidence intervals

ISSN: 1751-0147