Table 1. Pain characteristics and stooling frequency during baseline and low fermentable substrate diet (LFSD) periods.

Symptom	Baseline	LFSD	P value
Pain episodes/week	11.5 ± 6.3*	6.3 ± 6.8	0.02
Mean pain throughout the week	1.8 ± 1.1	0.8 ± 0.7	0.02
Maximum pain severity of worst episode	5.8 ± 2.5	3.9 ± 2.9	0.04
Number of pain episodes interfering with activity	9.9 ± 7.9	6.3 ± 7.2	0.05
Number of bowel movements	5.8 ± 2.6	3.5 ± 2.4	0.11

^* Mean ± SD