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Comparison of ultrasonographic findings between lesion and control skin in patients with pityriasis rosea.
| Parameter (unit) | Lesion, mean ± SD | Control (mean of perilesional and symmetrical skin), mean ± SD | p-value (paired t test) |
|---|---|---|---|
| Thickness of epidermis (µm) | 132.87 ± 29.91 | 124.94 ± 19.33 | .241 |
| Density of epidermis | 78.92 ± 21.26 | 83.55 ± 25.69 | .491 |
| Thickness of dermis (µm) | 1413.30 ± 529.15 | 1430.80 ± 487.93 | .844 |
| Density of dermis | 31.30 ± 15.47 | 40.79 ± 18.08 | .006 |
SD, standard deviation.
