Table 2

Scoring system for determining the difficulty level of a polyp

ParameterRangeScore
Size<1 cm1
1–1.9 cm3
2–2.9 cm5
3–3.9 cm7
>4 cm9
MorphologyPedunculated1
Sessile2
Flat3
SiteLeft1
Right2
AccessEasy1
Difficult3