Table 3.
Quantile regression analysis of trichoscopic findings in patients with dermatomyositis, systemic lupus erythematosus, and systemic sclerosis
| Disease | Disease activity score | Correlations with disease activity |
p value | |
|---|---|---|---|---|
| coefficient | 95% CI | |||
| DM | Physician global activity score Perifollicular red-brown pigmentation | 40 | 10.40–69.60 | 0.010 |
|
| ||||
| CAT-BM activity score Perifollicular red-brown pigmentation |
3 | 0.04–5.96 | 0.047 | |
|
| ||||
| SLE | SLEDAI-2K score Decrease in hair diameter | 5 | 2.21–7.79 | 0.001 |
|
| ||||
| SSc | mRSS score Thin arborizing vessels |
−11 | −19.71 to −2.29 | 0.014 |
CAT-BM, Cutaneous Assessment Tool − Binary Method; CI, confidence interval; DM, dermatomyositis; IQR, inter-quartile range; mRSS, modified Rodnan Skin Score; OR, odds ratio; SLEDAI-2K, Systemic Lupus Erythematosus Disease Activity Index 2000; SLE, systemic lupus erythematosus; SSc, systemic sclerosis. Statistically significant at p < 0.05.