Table 4. Total Treatment Period by Subgroup (Unit: days)

Classification		*KM group			**WM group			※MD	P-value
		N	Mean	SD	N	Mean	SD
Total		30,024	24.39	48.02	30,024	10.12	26.04	14.27	<.0001
District	Seoul	6,717	23.50	45.66	6,705	10.00	25.46	13.50	<.0001
	Metropolitan City	8,415	27.08	52.37	8,351	11.07	29.77	16.01	<.0001
	City/Province	14,892	23.28	46.40	14,968	9.63	23.97	13.65	<.0001
Age	0-4 years	3,022	34.84	57.29	3,165	15.91	32.57	18.93	<.0001
	5-9 years	6,879	31.34	54.44	6,925	13.20	28.16	18.14	<.0001
	10-19 years	6,273	27.00	53.01	6,178	9.33	25.60	17.67	<.0001
	20-29 years	2,758	17.49	39.90	2,724	6.15	22.85	11.34	<.0001
	30-39 years	3,269	15.42	36.06	3,284	6.75	20.40	8.67	<.0001
	40-49 years	3,112	16.56	37.09	3,095	7.86	22.64	8.70	<.0001
	50-59 years	2,326	17.72	35.75	2,306	7.15	18.83	10.57	<.0001
	60-69 years	1,494	20.95	42.25	1,475	9.27	26.59	11.68	<.0001
	70-79 years	726	22.01	38.79	699	11.28	29.64	10.73	<.0001
	80-89 years	155	20.63	37.06	162	17.81	44.03	2.82	0.5375
	90-99 years	10	26.80	44.59	11	7.73	8.32	19.07	0.2138
	≥100 years	0	-	-	0	-	-	-	-
Gender	Male	15,711	25.52	49.66	15,730	10.74	27.95	14.78	<.0001
	Female	14,313	23.15	46.11	14,294	9.43	23.75	13.72	<.0001
Insurance Type	Health Insurance	29,584	24.35	47.94	29,592	10.00	25.70	14.35	<.0001
	Medical Benefits	440	27.54	52.81	432	17.82	42.87	9.72	0.0029
History of Allergic Rhinitis	No	22,342	17.11	35.56	22,346	5.77	13.14	11.34	<.0001
	Yes	7,682	45.58	68.77	7,678	22.77	43.98	22.81	<.0001
History of Hospitalization for Allergic Rhinitis	No	30,024	24.39	48.02	30,024	10.12	26.04	14.27	<.0001
	Yes	0	-	-	0	-	-	-	-
†CCI	0	26,267	24.81	48.65	26,214	9.92	25.16	14.89	<.0001
	1	2,386	22.42	45.21	2,451	12.42	33.97	10.00	<.0001
	2	642	20.14	41.08	652	10.14	26.76	10.00	<.0001
	≥ 3	729	19.54	37.97	707	9.53	25.42	10.01	<.0001

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