Chinese Herbal Medicine as an Adjunctive Therapy Improves the Survival Rate of Patients with Ischemic Heart Disease: A Nationwide Population-Based Cohort Study

Table 2

Clinical visits for outpatient care, length of hospital stay, and medical costs for CHM and non-CHM users within 1 and 5 years after initial IHD diagnosis.

Cost	Non-CHM users		CHM users		P value^§
	n	Mean (IQR)	n	Mean (IQR)
1 year
Clinical visits
Outpatients care visits	19980	24 (15–38)	20186	29 (18–43)	<0.0001
Hospital length of stay (days)	8778	10 (4–29)	5925	6 (3–13)	<0.0001
Cost
Outpatients care, NTD	19980	25708 (13150–46629)	20186	25873 (14046–44315)	0.48
Hospitalization, NTD	8778	79900 (27541–206442)	5925	41225 (20837–125302)	<0.001
5 years
Clinical visits
Outpatients care visits	20001	94 (51–150)	20191	133 (86–199)	<0.0001
Hospital length of stay (days)	13230	17 (6–52)	11648	11 (4–27)	<0.001
Cost
Outpatients care (NTD)	20001	60367 (23708–128334)	20191	123496 (70499–204492)	<0.0001
Hospitalization (NTD)	13230	107436 (35341–278464)	11648	82732 (30007–212197)	<0.001

IHD: ischemic heart disease; CHM: Chinese herbal medicine; NTD: new Taiwan dollar; IQR: interquartile range.