Incidence of Hypertension in Korea: 5-Year Follow-up Study

Limited data are available about the incidence of hypertension over the 5-yr in non-hypertensive subjects. The study subjects were 1,806 subjects enrolled in a rural area of Daegu, Korea for a cohort study from August to November 2003. Of them, 1,287 (71.3%) individuals had another examination 5 yr...

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Published inJournal of Korean medical science Vol. 26; no. 10; pp. 1286 - 1292
Main Authors Lee, Jang Hoon, Yang, Dong Heon, Park, Hun Sik, Cho, Yongkeun, Jun, Jae Eun, Park, Wee Hyun, Chun, Byung Yeol, Shin, Ji-Yeon, Shin, Dong Hoon, Lee, Kyeong Soo, Kim, Kee-Sik, Kim, Kwon-Bae, Kim, Young Jo, Chae, Shung Chull
Format Journal Article
LanguageEnglish
Published Korea (South) The Korean Academy of Medical Sciences 01.10.2011
대한의학회
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ISSN1011-8934
1598-6357
1598-6357
DOI10.3346/jkms.2011.26.10.1286

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Summary:Limited data are available about the incidence of hypertension over the 5-yr in non-hypertensive subjects. The study subjects were 1,806 subjects enrolled in a rural area of Daegu, Korea for a cohort study from August to November 2003. Of them, 1,287 (71.3%) individuals had another examination 5 yr later. To estimate the incidence of hypertension, 730 non-hypertensive individuals (265 males; mean age = 56.6 ± 11.1 yr-old) at baseline examination were analyzed in this study. Hypertension was defined as either a new diagnosis of hypertension or self-reports of newly initiated antihypertensive treatment; prehypertension was if the systolic blood pressure was 120-139 mmHg and/or diastolic blood pressure was 80-89 mmHg. During the 5-yr follow-up, 195 (26.7%) non-hypertensive individuals developed incident hypertension. The age-adjusted 5-yr incidence rates of hypertension were 22.9% (95% confidence interval [CI] = 19.9-29.0) in overall subjects, 22.2% (95% CI = 17.2-27.2) in men, and 24.3% (95% CI = 20.4-28.2) in women. The incidence rates of hypertension significantly increased with age. In the multivariate analysis, prehypertension (Odds ratio [OR] 2.25; P < 0.001) and older age (OR 2.26; P = 0.010) were independent predictors for incident hypertension. In this rapidly aging society, population-based preventive approach to decrease blood pressure, particularly in subjects with prehypertension, is needed to reduce hypertension.
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The HYDDI Study Investigators: Moon-Young An, MD, Ji-Yong Choi, MD, Sung-Woo Ha, MD, Nam-Soo Hong, MD, Seung-Ho Hur, MD, Jun-Hyun Hwang, MD, Tae-Yoon Hwang, MD, Soo-Hee Jin, PhD, Eui-Dal Jung, MD, Sin Kam, MD, Bo-Wan Kim, MD, Hye-Soon Kim, MD, Jong-Yeon Kim, MD, Jung-Guk Kim, MD, Keon-Yeop Kim, MD, Ki-Su Kim, MD, Duk-Hee Lee, MD, Hyoung Woo Lee, MD, In-Kyu Lee, MD, Jung-Jeung Lee, MD, Kyung-Eun Lee, PhD, Mi-Young Lee, MD, Sang-Hee Lee, MD, Bu-Dol Lim, MD, Ji-Seun Lim, MD, Chang-Wook Nam, MD, Keun-Gyu Park, MD, Sun-Kyun Park, MD, Jae Kean Ryu, MD, Dong-Gu Shin, MD, Ho-Sang Shon, MD, Hyo-Kyung Son, MD, Kyu Chang Won, MD, Jin-Hoon Yang, MD, Gyeong-Im Yu, PhD.
G704-000345.2011.26.10.013
ISSN:1011-8934
1598-6357
1598-6357
DOI:10.3346/jkms.2011.26.10.1286