Table 1.

Patient characteristics at baseline.

Age (years), mean [range]	12.6 [8–17]
Age, 8–12 y N (%)	16 (50)
Age, 13–17 y N (%)	16 (50)
Sex, male N (%)	10 (31)
Sex, female N (%)	22 (69)
Diagnosis, IBS N (%)	22 (68)
Diagnosis, FAP N (%)	5 (16)
Diagnosis, FD N (%)	5 (16)
Symptom duration >6 months N (%)	32 (100)
Symptom duration >1 year N (%)	27 (84)
Symptom duration >2years N (%)	24 (75)

FAP, functional abdominal pain; FD, functional dyspepsia; IBS, irritable bowel syndrome.