Frequency and predictors of fructose malabsorption in patients with functional abdominal pain syndrome: A case-control study

Table 2 Characteristics of the fructose hydrogen breath testing among cases, medians (interquartile ranges)

Number	Parameters	FHBT positive (n = 16)	FHBT negative (n = 45)	P value
1	FHBT: Baseline H2	4 (1, 13)	5 (1, 10)	0.81
2	FHBT: Peak H2	34.5 (21, 163)	8 (2, 22)	< 0.001
3	Methane: Baseline	2 (0, 8)	2 (0, 11)	0.72
4	Methane: Peak	5.5 (3, 17)	4 (1, 22)	0.27
5	Predominant methane producers (CH4 ≥ 3)	6 (37.5)	17 (37.7)	0.98

FHBT: Fructose hydrogen breath testing.