Table 2

Prevalence, onset and disappearance rates of any functional gastrointestinal disorder (FGID), irritable bowel syndrome (IBS) and functional dyspepsia (FD)

FGID	Prevalence,^* n (%; 95% CI)	Onset,^† n (%; 95% CI)	Disappearance,^‡ n (%; 95% CI)
Any FGID	376 (37.5; 34.5 to 40.6)	217 (34.6; 30.9 to 38.5)	113 (30.1; 25.5 to 35.0)
IBS	74 (7.3; 5.8 to 9.2)	82 (8.8; 7.1 to 10.8)	53 (71.6; 60.0 to 81.5)
FD	51 (5.1; 3.8 to 6.6)	45 (4.7; 3.5 to 6.3)	40 (78.4; 64.7 to 88.7)

↵* Prevalence among total sample.
↵† Onset among subjects free of symptoms at baseline.
↵‡ Disappearance of FGID symptoms among subjects who had symptoms at baseline.