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Table 4 Prevalence of symptoms associated with constipation as per the Rome III criteria

From: Defining constipation to estimate its prevalence in the community: results from a national survey

Symptom All participants
(n = 2024)
Participants with chronic constipation according to the Rome III criteria
(n = 485)
Participants with sub-chronic constipation according to the modified Rome III criteria
(n = 801)
Fewer than 3 bowel motions per week 19.6% (397) 46.2% (224) 42.1% (337)
Straining 29.2% (590) 79.2% (384) 70.8% (567)
Hard stools 36.8% (744) 78.8% (382) 75.8% (607)
Incomplete evacuation 38.4% (778) 82.9% (402) 77.3% (619)
Perceived blockage 22.5% (457) 64.1% (311) 55.8% (447)
Manual manoeuvres 11.0% (222) 35.5% (172) 26.2% (210)