Table 1.
Initial proposed definitions submitted for the first vote and the results of the agreement for those propositions
| Lesions and descriptors | Definitions submitted to the votes | Agreement scores1 |
| Ulceration | Skin or mucosal defect | 8.7 (8-9)2 |
| Depth | ||
| Deep or cavitating | Visible muscular and/or granulation tissue and/or undermined and inflammatory edges | 8 (7-9)2 |
| Superficial | Which is not deep | 7.7 (7-9)2 |
| Location | ||
| Anal canal and anal margin | Visible after unfolding the anal radial folds | 7 (1-9) |
| Anal margin | Anal external edges | 7.9 (5-9) |
| Perianal | Outside the anus radial folds | 8.6 (6-9) |
| Extension | ||
| Extensive | ≥ 5 mm | 5.6 (1-9)3 |
| Limited | < 5 mm | 5.6 (1-9)3 |
| Skin tag | Tense nodular lesion with granulomatous but not papillomatous aspect | 4.8 (2-9)3 |
| Activity | ||
| Inflammatory | Edematous aspect | 6 (3-9)3 |
| Non inflammatory | Fibrous aspect | 6.2 (3-9)3 |
| Perianal skin lesions | ||
| Papula | Visible and elevated palpable lesion < 2 cm in diameter | 8 (6-9) |
| Node | Nodular cutaneous elevation, visible and/or palpable, diameter ≥ 2 cm | 6.1 (1-9) |
| Edema | Swollen area | 6 (3-7)3 |
| Erythema | Redness | |
| Pustula | Raised, visible and palpable lesion, with cloudy fluid content | 8.2 (6-9) |
| Abscess | Swollen red skin, sometimes surrounded by necrosis area and which can release pus | 6.5 (5-9) |
| Fistulae | ||
| Complexity | ||
| Complex | Recto-vaginal fistula or multiple external openings or abscess or remote external opening | 6.6 (4-9) |
| Simple | Single external opening, next to anal margin, without abscess | 6.3 (3-9)3 |
| Note | Inspection alone can sometimes confirm the diagnosis of a complex fistula | 9 (9-9)3 |
| Inspection alone cannot establish a diagnosis of simple fistula with certainty | 8 (6-9)3 | |
| Drainage | ||
| Well drained | No abscess, no visible discharge and non-inflammatory external openings | 7.6 (5-9) |
| Poorly drained | Inflammatory external opening(s) and/or abscess | 7.4 (4-9) |
| External opening(s) | ||
| Inflammatory | Erythematous surrounded skin and budding port(s) with undermined edges | 8.5 (7-9)2 |
| Scar appearance | Fibrous and retracted aspect of the anal margin | 7.8 (6-9) |
| Deformed anus | 7.8 (5-9) |
1
Median and distribution;
2
Definitions with strong agreement;
3
Missing data.