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[Effects of smoking cessation on the risk of hypertension: a meta-analysis]
1Women and Children's Health Care and Family Planning Service Center of Qingdao Shibei District, Qingdao 266033, China.
Abstract:
Objective: To estimate the effect of smoking cessation on the risk of hypertension. Methods: Literature search of PubMed, Embase, Vip and CNKI between 2001 and 2016 was performed to retrieve prospective cohort studies assessing the relative risks (RR) of smoking cessation and current smoking on hypertension. The pooled RR with 95% confidence intervals (CI) were calculated using random effects models, and subgroup analyses were employed based on participants and study characteristics. Results: A total of 8 eligible prospective cohort studies with 70 130 participants and 21 238 incident cases of hypertension were retrieved. The individuals aged 25-84 years, among them, 53.64% (37 618/70 130) were men and the follow-up period were 4-14.5 years. The pooled RR of hypertension was 1.08 (95%CI: 0.94-1.20) for comparing smoking cessation with current smoking and the pooled adjusted RR was 0.91 (95%CI: 0.33-2.50) (both P>0.05). Conclusions: Smoking cessation did not increased risks of hypertension. Therefore, effective strategies are needed to encourage smokers to quit.
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