TABLE 5.

Characteristics of cases with facial dermatitis related to mask usage before and during COVID‐19 pandemic

	Before COVID‐19	During COVID‐19	Total	p Value
N (%)	4 (14.3)	8 (22.2)	12(18.8)
Sex
Females n (%)	3 (75)	8 (100)	11(91.7)	0.140
Males n (%)	1 (25)	0	1 (8.3)
Age, years median (25°–75° percentile)	27 (25–30)	42.5 (30.5–54.5)	33 (25.5–60.5)	0.109
Occupation
Physician n (%)	1 (25)	1 (12.5)	2 (16.7)	0.392
Nurse n (%)	3 (75)	3 (37.5)	6 (50)
Social‐health operators n (%)	0	3 (37.5)	3 (25)
Others n (%)	0	1 (12.5)	1 (8.3)
Duration (in months) median (25°–75° percentile)	1.5 (0.5–3.5)	2 (0.12–2.5)	2 (0.12–2.5)	0.999
Other associated sites n (%)	2 (50) hands	3 (37.5) 2 hands/1 neck	5 (41.7)	0.999
Related pathologies n (%)	1 (25) Seborroic dermatitis	2 (25) Rosacea/acne	3 (25)	0.999
Diagnosis
Irritant contact dermatitis n (%)	4 (100)	7 (87.5)	11(91.7)	0.999
Allergic contact dermatitis n (%)	0	1 (12.5)	1 (8.33)
Patch test
Standard Positives n/tested	0/2	2/5 Ni, Co, Fragrance mix	2/7
Health care series Positive n/tested	0/1	0/1	0/2
Rubber series Positives n/tested	0/2	0/0	0/2
Own mask Positives n/tested	0/4	0/8	0/12