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

Table 3 Sensitivity, specificity, positive and negative predictive values of blood sucrose for diagnosis of SQL 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	7.86	54	47	68.1	50.0	54.2	64.3
45	7.86	54	47	53–81	36–64	41–67	48–79
90	8.24	54	47	72.3	57.4	59.7	70.5
90	8.24	54	47	57–84	43–71	46–72	55–83

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

ISSN: 1751-0147