Table 2. General Characteristics of Korean Medicine Group and Western Medicine Group

Classification		Before Propensity Score Matched						After Propensity Score Matched
		*KM group		**WM group		P-value	※SMD	*KM group		**WM group		P-value	※SMD
		N/Mean	%/SD	N/Mean	%/SD			N/Mean	%/SD	N/Mean	%/SD
Total		30,024	0.91	3,260,111	99.09	-	-	30,024	100.00	30,024	100.00	-	-
District	Seoul	6,717	22.37	581,260	17.83	<.0001	0.11	6,717	22.37	6,705	22.33	0.7991	0.00
	Metropolitan City	8,415	28.03	816,608	25.05		0.07	8,415	28.03	8,351	27.81		0.00
	City/Province	14,892	49.60	1,862,243	57.12		-0.15	14,892	49.60	14,968	49.85		-0.01
Age		24.95	20.70	32.16	22.74	<.0001	-0.33	24.95	20.70	24.77	20.68	0.2945	0.01
Gender	Male	15,711	52.33	1,513,717	46.43	<.0001	0.12	15,711	52.33	15,730	52.39	0.8766	0.00
	Female	14,313	47.67	1,746,394	53.57		-0.12	14,313	47.67	14,294	47.61		0.00
Insurance Type	Health Insurance	29,584	98.53	3,179,253	97.52	<.0001	0.07	29,584	98.53	29,592	98.56	0.7849	0.00
	Medical Benefits	440	1.47	80,858	2.48		-0.07	440	1.47	432	1.44		0.00
History of Allergic Rhinitis		1.27	3.37	0.45	1.43	<.0001	0.32	1.27	3.37	1.25	3.35	0.6453	0.01
History of Hospitalization for Allergic Rhinitis	No	30,024	100.00	3,259,731	99.99	0.0614	0.01	30,024	100.00	30,024	100.00	-	-
	Yes	0	0.00	380	0.01		-0.01	0	0.00	0	0.00		-
†CCI		0.22	0.74	0.39	1.02	<.0001	-0.19	0.22	0.74	0.22	0.72	0.8101	0.00

KM: Korean Medicine,
WM: Western Medicine,
SMD: Standardized Mean Difference,
CCI: Charlson Comorbidity Index