Table V. Clinical-epidemiological, histopathological, immunophenotype, and therapeutic characteristics of mycosis fungoides according to clinical presentation.

*Fisher’s exact test, ^†Student’s t test, ^‡Mann-Whitney U test, ^§interquartile ranges (25th, 75th percentiles)

	Classical n = 6	Hypopigmented n = 11	p-value
Age, years, mean (SD)*     At diagnosis     At referral	12.6 ± 2.0 11.3 ± 2.2	11.5 ± 3.1 10.6 ± 3.2	0.43† 0.65†
Duration of disease, median (IQR)	48 (24.0, 75.0)	24 (24, 48.0)	0.35‡
Clinical presentation, present, n (%)     Hypochromic patches, n = 11     Erythematous patches + erythematous-scaly plaques, n = 6	0 6 (100.0)	11 (100.0) 0	< 0.01* < 0.01*
Symptoms, positive, n (%)      Xerosis, n = 12      Pruritus, n = 10	6 (100.0) 5 (83.3)	6 (54.5) 5 (45.5)	0.10* 0.30*
Histopathology     Number of biopsies, n (%)     Time to biopsy, months, IQR§	2 (1,3) 21 (4.2, 30.0)	1 (1,2) 6 (3.0, 24.0)	0.21‡ 0.35‡
Type of treatment, n (%)     Methotrexate, n = 3     Phototherapy, n = 3     Extracorporeal photopheresis, n = 3	3 (50.0) 3 (50.0) 0	0 0 3 (27.3)	0.02* 0.02* 0.51*