Table 2.
Variable | 0 | 1 | 2 | 3 |
---|---|---|---|---|
Size of ulcers | None | Aphthous ulcers (0.1–0.5 cm) | Large ulcers (0.5–2 cm) | Very large ulcers (>2 cm) |
Ulcerated surface | None | <10% | 10–30% | >30% |
Affected surface | Unaffected segment | <50% | 50–75% | >75% |
Presence of narrowing (stenosis) | None | Single, can be passed | Multiple, can be passed | Cannot be passed |