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Table 1 Question completion rates and maximum response frequencies

From: Evaluation of the Birmingham IBS symptom questionnaire

Question Number completed % completed Maximum % response at extremes
Pain 377 99.5 6.1
Loose, watery stools 377 99.5 28.7
Diarrhoea 376 99.2 44.4
Hard bowel motions 374 98.7 22.2
Straining 375 98.9 20.0
Constipation 376 99.2 35.6
Pain after eating 378 99.7 20.4
Sleep problem 377 99.5 36.9
Leaked or soiled 375 98.9 73.9
Urgency 377 99.5 21.5
Mucus or slime 370 97.6 56.8
Unfinished bowel movement 375 98.9 7.7
Flatulence 378 99.7 7.9
Back and shoulder pain 370 97.6 46.8