Table 1.

Characteristics of Hypertension population from one million random sampling cohort of the NHIR database

Characteristics	Non-TCM Users		TCM users		CHP users
	No.	%	No.	%	No.	%
Age
<45	3802	12.3	18768	15.2	17653	15.2
45-65	12790	41.5	58453	47.4	55219	47.6
>65	14251	46.2	46019	37.3	43198	37.2
Gender
Female	11509	37.3	64826	52.6	61594	53.1
Male	19334	62.7	58414	47.4	54476	46.9
Insurance salaries(NTD$/month) 1
0	5965	19.3	21891	17.8	20485	17.7
1-15840	5653	18.3	18185	14.8	16980	14.6
15841-25000	12882	41.8	57967	47.0	55006	47.4
>25000	6343	20.6	25197	20.4	23599	20.3
Urban Level 2
1	9069	29.4	35622	28.9	33226	28.6
2	13023	42.2	55239	44.8	52063	44.9
3	5538	18.0	20546	16.7	19486	16.8
4	3213	10.4	11833	9.6	11295	9.7
Comorbidity with hypertension(ICD-9-CM)
Ischemic Heart Disease (410–414)	9607	31.1	41603	33.8	39237	33.8
Cardiovascular disease (430–438)	7466	24.2	27218	22.1	25592	22.1
Atherosclerosis(440)	931	3.0	3814	3.1	3616	3.1
Hyperlipidemia (272)	11476	37.2	52627	42.7	49629	42.8
Type II Diabetes Mellitus(250)	9773	31.7	39936	32.4	37514	32.3
Total	30843		123240		116070

1. NTD, New Taiwan dollar 1USD≒30NTD

2. 1:most urbanization; 4:least urbanization