|
Visible variables at sigmoidoscopy [21] |
|
| 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) |
|
|
*:100% agreement, because none seen | |
Cooney et al. Trials 2007 8:17 doi:10.1186/1745-6215-8-17 |
|