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. 2017 Jun;139(6):e20163177. doi: 10.1542/peds.2016-3177

FIGURE 2.

FIGURE 2. Relative risk and 95% confidence intervals (CI) of coronary heart disease by age at menarche. Reference category is menarche at 13 years of age. The area of the square is inversely proportional to the variance of the log risk. CHD, coronary heart disease; CI, confidence interval. (Reprinted with permission from page 240 of Canoy D, Beral V, Balkwill A, et al; Million Women Study Collaborators. Age at menarche and risks of coronary heart and other vascular diseases in a large UK cohort. Circulation. 2015;131(3):237–244.)

Relative risk and 95% confidence intervals (CI) of coronary heart disease by age at menarche. Reference category is menarche at 13 years of age. The area of the square is inversely proportional to the variance of the log risk. CHD, coronary heart disease; CI, confidence interval. (Reprinted with permission from page 240 of Canoy D, Beral V, Balkwill A, et al; Million Women Study Collaborators. Age at menarche and risks of coronary heart and other vascular diseases in a large UK cohort. Circulation. 2015;131(3):237–244.)