Table 4.
Onychoscopic findings in relations to disease activity in SLE, DM, and SSc patients.
| Onychoscopic features | SLE | DM | SSc | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Median SLEDAI score in patients with the features (IQR) | Median SLEDAI score in patients without the features (IQR) | p -Value | Median CAT score in patients with the features (IQR) | Median CAT score in patients without the features (IQR) | p -Value | Median modified Rodnan score in patients with the features (IQR) | Median modified Rodnan score in patients without the features (IQR) | p -Value | |
| Tortuous capillaries | 3.5 (0–8) | 10 (5–14) | 0.03* | 3 (2–5) | 0 (0–0) | 0.08 | 4 (1–12) | 10 (10) | 0.42 |
| Bushy capillaries | 4 (1–14) | 4 (0–6) | 0.18 | 3 (2–5) | 3 (2–5) | 0.82 | 7.5 (2–13) | 3 (1–10) | 0.27 |
| Elongated capillaries | 4 (1–11.5) | 4 (1–8) | 0.68 | 4 (2–5) | 3 (2–5) | 0.64 | 3 (0–10.5) | 5 (2–11) | 0.41 |
| Subpapillary plexus | 4 (0–9) | 4 (2–9) | 0.80 | 3 (2–5) | 3 (1–5) | 0.44 | 2 (0.5–7) | 6 (2–12.5) | 0.21 |
| Hemorrhage | 4.5 (2–10) | 4 (0.5–8.5) | 0.52 | 3 (2–5) | 4 (2–5) | 0.84 | 4 (1–8) | 6 (2–13) | 0.60 |
| Enlarged capillaries | 7 (2–14) | 2 (0–6) | 0.01* | 4 (2–5) | 2 (1–4) | 0.11 | 5 (2–12.5) | 4.5 (0.5–9) | 0.50 |
| Disorganized capillaries | 4 (1–11) | 2 (0–6) | 0.23 | 3 (2–5) | 0 (0–0) | 0.08 | 5 (1–11) | 6 (2–11.5) | 0.69 |
| Avascular areas | 4 (2–10) | 2 (0–6) | 0.07 | 3 (2–5) | 2 (0–4) | 0.34 | 6 (2–12) | 1 (0–2) | 0.15 |
| Decrease density | 4.5 (0–13) | 3 (1.5–6) | 0.24 | 3 (2–5) | 3 (1–4.5) | 0.62 | 5 (2–12) | 3.5 (0–7) | 0.43 |
CAT, cutaneous assessment tool for myositis; DM, dermatomyositis; IQR, interquartile range; SLE, systemic lupus erythematosus; SLEDAI-2K, Systemic Lupus Erythematosus Disease Activity Index 2000; SSc, systemic sclerosis.
*
Statistically significant.