Morphological characteristics: group comparisons
| Group | Tortuosity % of total capillary count (range) | Abnormal capillaries (% of patients) | Significant avascularity (% of patients) | Definite disarrangement (% of patients) |
|---|---|---|---|---|
| HA, healthy adults; HC, healthy children; JIA, juvenile idiopathic arthritis; SLE, systemic lupus erythematosus; CTD, connective tissue diseases; RS, primary Raynaud’s syndrome; VAS, primary vasculitis. | ||||
| HA | 27 (0–71) | 0 | 0 | 0 |
| HC | 29 (5–49) | 6 | 0 | 0 |
| JIA | 16 (0–51) | 0 | 0 | 13 |
| SLE | 19 (0–27) | 0 | 0 | 13 |
| CTD | 34 (0/86) | 61 | 56 | 78 |
| RS | 27 (9–57) | 0 | 0 | 0 |
| VAS | 60 (40–80) | 0 | 0 | 0 |