Table 1.
Statistical analysis of the dermoscopic features with regard to NAPSI scores
| Variable | Median (min–max) | P-value | |
|---|---|---|---|
| Dilated hyponychial capillaries | A (n = 43) P (n = 24) |
10.0 (3–81) 26.0 (4–86) |
0.028 |
| Pseudo-fiber sign | A (n = 44) P (n = 23) |
9.5 (3–62) 28.0 (3–86) |
< 0.001 |
| Pitting | A (n = 28) P (n = 39) |
8.5 (3–76) 18.0 (3–86) |
0.023 |
| Nail plate thickening and crumbling | A (n = 55) P (n = 12) |
10.0 (3–81) 55.5 (7–86) |
< 0.001 |
| Transverse grooves | A (n = 61) P (n = 6) |
11.0 (3–76) 54.5 (10–86) |
0.008 |
| Trachyonychia | A (n = 56) P (n = 11) |
10.0 (3–81) 32.0 (3–86) |
0.018 |
| Salmon patches | A (n = 52) P (n = 15) |
11.5 (3–81) 15.0 (8–86) |
0.022 |
| Subungual hyperkeratosis | A (n = 61) P (n = 6) |
10.0 (3–65) 75.0 (28–86) |
< 0.001 |
| Splinter haemorrhages | A (n = 18) P (n = 49) |
11.5 (3–51) 14.0 (3–86) |
0.440 |
| Onycholysis | A (n = 30) P (n = 37) |
11.5 (3–86) 14.0 (3–81) |
0.289 |
| Leukonychia | A (n = 63) P (n = 4) |
14.0 (3–86) 7.0 (5–11) |
0.112 |
| Lunular red spots | A (n = 66) P (n = 1) |
13.0 (3–86) 30.0 (30–30) |
0.437 |
Median (minimum-maximum values), A – absent, P – present.