Table 1

Percentage distribution of gastrointestinal symptoms in the study population (n=391)

	Dyspepsia (n=189)	IBS (n=202)
Functional dyspepsia: Rome criteria¹³ ^1-150
Upper abdominal pain or discomfort	87	63
Epigastric burning	62	23
Pain relieved by food or antacid	49	17
Postprandial pain	58	33
Night pain waking the patient from sleep	37	19
Postprandial fullness	89	56
Postprandial upper abdominal bloating	81	77
Feeling of slow digestion	70	48
Early satiety	38	28
Nausea, vomiting	50	26
Excessive burping/belching	68	40
Heartburn	51	17
Irritable bowel syndrome: Rome criteria¹⁴ ^†	IBS (n=202)	Dyspepsia (n=189)
Abdominal pain or discomfort relieved by defecation	91	25
Altered bowel frequency	87	34
Altered form of stool	88	39
Altered stool passage	82	27
Bloating or feeling of abdominal distension	97	70
Passage of mucus	28	14

↵1-150 All differences between the dyspepsia and IBS groups were significant (p<0.05) except for early satiety; ^†All differences between IBS and dyspepsia groups were significant (p<0.05).
IBS, irritable bowel syndrome.