Table 1. Crossover Analysis of the Number of Patients by Period and Visit Type in Kyung Hee University Korean Medicine Hospital, Department of Ophthalmology, Otolaryngology of Korean Medicine and Department of Dermatology of Korean Medicine

Visit Type	Kyung Hee University Korean Medicine Hospital
	First Visit	Revisit	Total	χ2	Ratio (Revisit/First Visit)
Pre COVID-19	35,127	356,503	391,630	826***	10.15
Post COVID-19	36,433	294,907	331,340		8.09
Change rate	+3.72%	-17.28%	-15.39%		-20.24%

p<0.1,
p<0.05,
p<0.001