Relationship between casual serum triglyceride levels and the development of hypertension in Japanese

Yusuke Tomita, Satoko Sakata, Hisatomi Arima, Ikumi Yamato, Ai Ibaraki, Toshio Ohtsubo, Kiyoshi Matsumura, Masayo Fukuhara, Kenichi Goto, Takanari Kitazono

Research output: Contribution to journalArticlepeer-review

Abstract

OBJECTIVE: The purpose of the present study was to investigate the effects of serum triglyceride levels on the risk of new-onset hypertension in Japanese. METHODS: Five thousand nine hundred and thirty-three Japanese workers without hypertension at baseline, who participated in medical check-ups from 2006 to 2018, were followed retrospectively. The participants were divided into quartiles of casual serum triglyceride levels and were followed from the first to last visit of the study period. The outcome was development of hypertension. Risk estimates were computed using Cox's proportional hazards model. RESULTS: During the follow-up period (average: 6.7 years), 946 individuals developed hypertension. The crude incidence rates of hypertension (per 1000 person-years) increased with rising serum triglyceride levels: 10.1 for quartile 1 (<0.76 mmol/l), 19.6 for quartile 2 (0.76-1.17 mmol/l), 26.0 for quartile 3 (1.18-1.84 mmol/l), and 36.5 for quartile 4 (>1.84 mmol/l) (P < 0.0001 for trend). These associations remained significant even after adjustment for other risk factors: the multivariable-adjusted hazard ratio was 1.29 (1.01-1.66) for the second quartile, 1.27 (0.99-1.63) for the third quartile, and 1.39 (1.09-1.77) for the highest quartile compared with the lowest. There were comparable effects of serum triglyceride levels for incidence of hypertension between subgroups defined by sex, obesity, and diabetes (all P > 0.1 for interaction), whereas stronger associations were observed for participants under 40 years of age than for those aged 40 or above (P = 0.002 for interaction). CONCLUSION: Serum triglyceride levels were significantly associated with development of hypertension in a Japanese worksite population.

Original languageEnglish
Pages (from-to)677-682
Number of pages6
JournalJournal of hypertension
Volume39
Issue number4
DOIs
Publication statusPublished - Apr 1 2021

All Science Journal Classification (ASJC) codes

  • Internal Medicine
  • Physiology
  • Cardiology and Cardiovascular Medicine

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