Table 4.

Testing new diagnostic criteria of self-reported fructose intolerance in irritable bowel syndrome (for definition, see text) against fructose breath test and response of subjective global assessment test

Predictive	Sensitivity	Specificity	Positive predictive value	Negative predictive value	Kappa
FBT	0.57	0.34	0.58	0.29	-0.13
SGA weeks 3-41	0.79	0.75	0.82	0.71	0.53
SGA week 3-42	0.84	0.76	0.83	0.79	0.61

¹Without result provocation;

²With result provocation. SGA: Subjective global assessment; FBT: Fructose breath test.