Table 3.

Comparison of Inter-Methods Agreement (HP and RCM + TSC) for Four Criteria Evaluated in 14 Patients.

Patient	HP Infundibular ostia empty or full of sebum and keratin	(RCM(1) + TSC (Y)) Empty Yellow dots	HP Miniaturized anagen-vellus hair follicles (nanogen)	(RCM + TSC) Small hair in regrowth	HP early anagen	(RCM + TSC) Pigtail hair	HP Vellus follicles-regrowing hairs-dilated infundibula	(RCM + TSC) Yellow dots with vellus hair
01	X	X	X	X	X	X	X	X
02	X	X	X	X	X	X	X	X
03	X	X	X	X	X	X	X	X
04	X	X	X	X	X	X	X	X
05	X	X	X	X	X	X	X	X
06	X	X	X		X	X	X	X
07	X	X	X	X	X			X
08	X	X		X	X	X	X	X
09		X	X	X	X	X	X	X
10	X	X	X	X		X		X
11	X	X	X	X	X	X	X	X
12		X		X	X	X		X
13	X	X	X			X
14	X	X	X	X	X	X	X	X
Incidence (%)	12/14 (85.7)	14/14 (100.0)	12/14 (85.7)	12/14 (85.7)	12/14 (85.7)	13/14 (92.9)	10/14 (71.4)	13/14 (92.4)
Agreement(%)	12/14 (85.7)		10/14 (71.4)		11/14 (78.6)		11/14 (78.6)
Cohen’s Kappa (p-value)	0.000 (P=0.500)		−0.167 (P=0.734)		−0.105 (P=0.664)		0.323 (P=0.050)

Abbreviations: HP, histopathology; RCM, Reflectance confocal microscopy; TSC, Trichoscopy; X, presence of condition.