Figure 2From: Identification of symptom domains in ulcerative colitis that occur frequently during flares and are responsive to changes in disease activityVisual analogue scale used on questionnaire for assessing each of three endpoints for all 28 symptom domains. An example of the 100 mm Visual Analogue Scales (VAS) used in the questionnaire to rate the three criteria for each of the 28 symptom domains.Back to article page