Table 4. Changes in the Number of Total Patients by Disease Group in Department of Dermatology of Korean Medicine Pre- vs. Post COVID-19

Group	Dermatitis (L20, L21, L30)	Skin Appendages Disease (L63, L64, L70, L71)	Other (L40, L50)
Pre COVID-19	5,695	2,861	2,323
Post COVID-19	5,648	2,178	1,710
Change Rate	-0.83%	-23.87%	-26.39%

L20; Atopic dermatitis, L21; Seborrheic dermatitis, L30; Other dermatitis, L63; Alopecia areata, L64; Androgenic alopecia, L70; Acne, L71; Rosacea, L40; Psoriasis, L50; Urticaria