Table 2. Simple agreements and intra-class correlation coefficients (ICC) for individual cutaneous lesions and CAT activity and damage scores for the Cutaneous Assessment Tool CAT.
The assessment of the cutaneous lesions in 20 juvenile myositis patients was performed by a dermatologist and pediatric rheumatologist using the CAT
| Lesion | Name | Agreement Lesion Present | Agreement Lesion Absent | Disagreement | Proportion Agreement | ICC As Scored |
|---|---|---|---|---|---|---|
| CAT activity score | -- | -- | -- | 0.71 | ||
| CAT damage score | -- | -- | -- | 0.81 | ||
| Active Lesions | ||||||
| 1A | Gottron's Papules or Sign- erythematous changes | 9 | 7 | 4 | 0.80 | 0.61 |
| 2A | Heliotrope Rash | 13 | 4 | 3 | 0.85 | 0.60 |
| 3A | Malar/Facial Erythema | 10 | 3 | 7 | 0.65 | 0.38 |
| 4A | Linear Extensor Erythema | 3 | 14 | 3 | 0.85 | 0.74 |
| 5A | V-sign | 2 | 14 | 4 | 0.80 | 0.56 |
| 6A | Shawl Sign | 3 | 10 | 7 | 0.65 | 0.36 |
| 7A | Non-Sun Exposed Erythema | 2 | 8 | 10 | 0.50 | 0.11 |
| 8A | Erythroderma | 1 | 19 | 0 | 1.0 | 1.0 |
| 9A | Livedo reticularis | 0 | 20 | 0 | 1.0 | n/a * |
| 10A | Ulceration | 0 | 19 | 1 | 0.95 | n/a * |
| 11A | Mucous Membrane Lesions | 4 | 11 | 5 | 0.75 | 0.49 |
| 12A | Periungual Capillary Loop Changes | 8 | 4 | 8 | 0.60 | 0.47 |
| 13A | Mechanic's Hands | 0 | 19 | 1 | 0.95 | n/a * |
| 14A | Cuticular Overgrowth | 5 | 10 | 5 | 0.75 | 0.59 |
| 15A | Subcutaneous Edema | 1 | 13 | 6 | 0.70 | 0.19 |
| 16A | Panniculitis | 1 | 19 | 0 | 1.0 | 1.0 |
| 17A | Alopecia | 2 | 15 | 3 | 0.85 | 0.30 |
| Damage Lesions | ||||||
| 1D | Atrophy or hypo/hyperpigmentation in a distribution of Gottron's Papule or Sign | 5 | 10 | 5 | 0.75 | 0.49 |
| 2D | Atrophy or hypo/hyperpigmentation in a distribution of Heliotrope Rash | 0 | 18 | 2 | 0.90 | n/a * |
| 3D | Atrophy or hypo/hyperpigmentation in a distribution of Malar/Facial Erythema | 1 | 17 | 2 | 0.90 | 0.48 |
| 4D | Atrophy or hypo/hyperpigmentation in a distribution of Linear Extensor Erythema | 0 | 18 | 2 | 0.90 | n/a * |
| 5D | Atrophy or hypo/hyperpigmentation in a distribution of V-sign | 1 | 18 | 1 | 0.95 | 0.66 |
| 6D | Atrophy or hypo/hyperpigmentation in a distribution of Shawl Sign | 0 | 19 | 1 | 0.95 | n/a * |
| 7D | Atrophy or hypo/hyperpigmentation in a distribution of Non-Sun Exposed Erythema | 0 | 16 | 4 | 0.80 | n/a * |
| 18D | Poikiloderma Vasculare Atrophicans | 2 | 16 | 2 | 0.90 | 0.90 |
| 19D | Calcinosis | 2 | 17 | 1 | 0.95 | 0.85 |
| 20D | Lipoatrophy | 1 | 16 | 3 | 0.85 | 0.19 |
| 21D | Depressed Scar | 2 | 14 | 4 | 0.80 | 0.44 |
*
Intra-class correlation coefficient were not calculated when both investigators failed to agree that the lesion was present in at least one subject.