Clinical Study
Videocapillaroscopic Alterations in Alopecia Areata
Table 2
Videocapillaroscopic findings in patients with alopecia areata and in the control group.
| Videocapillaroscopic parameters | Alopecia areata | Control group | |
| Distribution of the capillaries | | | | Regular | 55 (77.46%) | 40 (100%) | 0.001 | Altered | 16 (22.53%) | 0 | Density of the capillaries | | | | Normal | 58 (81.7%) | 40 | — | Increased | 2 (02.28%) | 0 | — | Decreased | 11 (15.49%) | 0 | 0.009 | Diameter of the capillaries | | | | Normal | 54 (76%) | 40 | — | Enlargement of the top part of the loop | 9 (12.68%) | 0 | 0.009 | Enlargement of the efferent limb | 8 (11.27%) | 0 | 0.017 | Length of the capillaries | | | | Normal | 71 (100%) | 40 | — | Extravasations | | | | Absent | 52 (73.24%) | 36 (90%) | 0.018 | Single | 10 (14.08%) | 4 (10%) | Multiple | 9 (12.68%) | 0 | Subpapillary venular plexus visibility | | | | Invisible | 59 (83.10%) | 34 (85%) | 0.571 | 1-2 fingers | 11 (15.49%) | 6 (15%) | >2 fingers | 1 (1.41%) | 0 | Background colour | | | | Pale | 8 (11.27%) | 0 | 0.002 | Pink | 63 (88.73%) | 40 (100%) | — | Tortuous capillaries | | | | Absent | 11 (15.49%) | 14 (35%) | 0.013 | Single | 41 (57.75%) | 26 (65%) | Multiple | 19 (26.76%) | 0 | Tortuous capillaries irregular appearance | | | | Absent | 44 (61.97%) | 25 (62.50%) | 0.802 | Present | 27 (38.03%) | 15 (37.50%) | Branching capillaries | | | | Absent | 49 (69.01%) | 40 (100%) | 0.001 | Present | 22 (30.99%) | 0 | Coiled capillaries | | | | Absent | 68 (95.77%) | 40 (100%) | 0.187 | Present | 3 (4.23%) | 0 | Features of the capillary neoformation | | | | Absent | 45 (63.38%) | 40 (100%) | — | Present | 26 (36.62%) | 0 | 0.021 |
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