Bulletin of the World Health Organization

Understanding the decline of mean systolic blood pressure in Japan: an analysis of pooled data from the National Nutrition Survey, 1986–2002

Nayu Ikeda, Emmanuela Gakidou, Toshihiko Hasegawa & Christopher JL Murray

Volume 86, Number 12, December 2008, 978-988

Table 3. Age-standardized mean SBP (in mmHg), by sex and use or non-use of antihypertensive medications, based on data from the National Nutrition Survey, Japan, 1986–2002

Statistics Untreated Treated
Men
n 76 781 13 773
Mean SBP 133.5 140.4
95% CI 133.3–133.6 140.0–140.8

Women
n 85 728 16 175
Mean SBP 128.7 138.4
95% CI 128.6–128.8 138.0–138.8

CI, confidence interval; SBP, systolic blood pressure.