Table 4 Visible variables at sigmoidoscopy [21]
From: Outcome measurement in clinical trials for ulcerative colitis: towards standardisation
Visible variable | Agreement (3 observers) |
|---|---|
• Spontaneous bleeding (present or absent) |  |
• Friability = 'bleeding to light touch' (present or absent) |  |
• Moisture (normal 'dry', moist, 'oedematous') |  |
• Distensibility (normal, rigid/contracted) | >60% |
• Valves (normal sharp crescent folds, swollen, absent) |  |
• Large deep vessels (visible, not seen) |  |
• Ulcers (present or absent*) |  |
• Polyp (present or absent*) |  |
• Granularity (normal smoothness, granular) |  |
• Mucosal surface (attempt to describe the sheen on the mucosa: normal mat, dull lustreless; wet shiny) | <60% |
• Colour (red, pink, pale) |  |
• Mucopus (no mucus or pus, clear mucus, opaque pus) |  |
• Faeces (none, solid, liquid) |  |
Small superficial vessels (normal, few, patchy) | Â |