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

Table 2 Sensitivity, specificity, positive and negative predictive values of blood sucrose for diagnosis of GDL 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	5.80	71	31	48.1	50.7	30.0	69.2
45	5.80	71	31	30–67	39–63	18–45	55–81
90	6.05	71	31	43.3	66.2	35.1	73.4
90	6.05	71	31	26–63	54–77	20–53	61–84

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

ISSN: 1751-0147