Table 3.

trichoscopy and histopathology features of normal appearing scalp in SLE patients with and without hair loss who had scalp biopsy

Variable	Normal appearing scalp in SLE hair loss group n=12 (%)	No hair loss group n=11 (%)	p
Trichoscopy findings
Hair shaft changes
Short regrowing hair, n (%)	3 (25.0)	0 (0.0)	0.217*
Hair shaft hypopigmentation, n (%)	9 (75.0)	1 (9.1)	0.003*
Follicular opening/dots
White dots, n (%)	2 (16.7)	11 (100.0)	<0.001
Brown scattered pigmentation, n (%)	1 (8.3)	0 (0.0)	1.000*
Arborizing/ interconnecting vessels, n (%)	1 (8.3)	0 (0.0)	1.000*
Histology
Epidermal atrophy, n (%)	6 (50.0)	2 (18.2)	0.193*
Interface change
Along dermoepidermal junction, n (%)	1 (8.3)	0 (0.0)	1.000*
Along follicular epithelium, n (%)	1 (8.3)	0 (0.0)	1.000*
Infiltrates
Lymphocytic infiltrates, n (%)	4 (33.3)	0 (0.0)	1.000*
Superficial perivascular, n (%)	3 (25.0)	0 (0.0)	1.000*
Perifollicular, n (%)	1 (8.3)	1 (9.1)	0.317*
Presence of plasma cells, n (%)	1 (8.3)	1 (9.1)	0.590*
Sebaceous glands
Reduction in size/ number of sebaceous gland	7 (58.3)	1 (9.1)	0.027*
Mucin deposition
Mild	5 (41.7)	4 (36.4)
Moderate	5 (41.7)	5 (45.5)	0.967
Severe	2 (16.7)	2 (18.2)
Follicular characteristics
Telogen counts, median (range)	2.5 (0 - 9)	2 (0 - 6)	0.478
Number of hairs, median (range)	18 (7 - 35)	25 (5 - 34)	0.308
Follicular units, median (range)	8.5 (5 - 13)	10 (2 - 12)	0.596
Anagen follicle, median (range)	14 (3 - 30)	21 (2 - 30)	0.423
Telogen percentage, median (range)	17 (0 - 62)	8 (0 - 26)	0.085
Terminal: Vellus ratio, median (range)	7 (4 - 17)	7 (4 - 20)	0.803

^*: Fischer’s exact p-value