Prescribing Patterns of Antihypertensives for Treatment-Naïve Patients in South Korea: From Korean NHISS Claim Data

Table 1

Baseline characteristics of newly diagnosed hypertension patients (total n = 2,919,162)

	n	%
Age
<20	45,222	1.55
20–29	95,489	3.27
30–39	303,523	10.40
40–49	713,524	24.44
50–59	866,370	29.68
60–69	508,662	17.42
70–79	294,771	10.10
≥80	91,601	3.14
Sex
Male	1,633,768	55.97
Female	1,285,394	44.03
Income
Medical aid	112,217	3.84
Q1 (low)	766,378	26.25
Q2	696,643	23.86
Q3	663,524	22.73
Q4 (high)	680,400	23.31
Residence
Metropolitan	1,741,304	59.65
City	833,767	28.56
Rural	344,091	11.79
Charlson comorbidity index
0	938,134	32.14
1	791,388	27.11
2	497,523	17.04
≥3	692,117	23.71
Provider type
General hospital	924,592	31.67
Hospital	330,928	11.34
Clinic	1,560,700	53.46
Others (public health centers, etc.)	102,942	3.53
Comorbidity
Diabetes	371,477	12.73
Dyslipidemia	806,246	27.62
Congestive heart failure	120,749	4.14
Ischemic heart failure	401,547	13.76
Stroke	135,569	4.64
Chronic kidney disease	27,263	0.93
Cancer	44,626	1.53
Year of diagnosis
2011	627,249	21.49
2012	597,912	20.48
2013	578,479	19.82
2014	538,468	18.45
2015	577,054	19.77