Table 2: Videocapillaroscopic findings in patients with alopecia areata and in the control group.

Videocapillaroscopic parametersAlopecia areataControl group

Distribution of the capillaries
 Regular55 (77.46%)40 (100%)0.001
 Altered16 (22.53%)0
Density of the capillaries
 Normal58 (81.7%)40
 Increased2 (02.28%)0
 Decreased11 (15.49%)00.009
Diameter of the capillaries
 Normal54 (76%)40
 Enlargement of the top part of the loop9 (12.68%)00.009
 Enlargement of the efferent limb8 (11.27%)00.017
Length of the capillaries
 Normal71 (100%)40
Extravasations
 Absent52 (73.24%)36 (90%)0.018
 Single10 (14.08%)4 (10%)
 Multiple9 (12.68%)0
Subpapillary venular plexus visibility
 Invisible59 (83.10%)34 (85%)0.571
 1-2 fingers11 (15.49%)6 (15%)
 >2 fingers1 (1.41%)0
Background colour
 Pale8 (11.27%)00.002
 Pink63 (88.73%)40 (100%)
Tortuous capillaries
 Absent11 (15.49%)14 (35%)0.013
 Single41 (57.75%)26 (65%)
 Multiple19 (26.76%)0
Tortuous capillaries irregular appearance
 Absent44 (61.97%)25 (62.50%)0.802
 Present27 (38.03%)15 (37.50%)
Branching capillaries
 Absent49 (69.01%)40 (100%)0.001
 Present22 (30.99%)0
Coiled capillaries
 Absent68 (95.77%)40 (100%)0.187
 Present3 (4.23%)0
Features of the capillary neoformation
 Absent45 (63.38%)40 (100%)
 Present26 (36.62%)00.021