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. 2015 Apr 8;8:13–35. doi: 10.2147/IBPC.S49958

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© 2015 Ke et al. This work is published by Dove Medical Press Limited, and licensed under Creative Commons Attribution – Non Commercial (unported, v3.0) License

The full terms of the License are available at http://creativecommons.org/licenses/by-nc/3.0/. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed.

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Prospective studies.

Notes: (A) Prospective studies of vitamin D and hypertension risk: the effect of higher vitamin D (measured as quartiles of 25OHD) on hypertension risk expressed as relative risk (RR) for individual studies (blue) and the calculated overall RR (red). (B) Funnel plot showing standard error by log RR for the prospective studies. (C) Prospective studies of vitamin D and hypertension risk sub-groups: the effect of higher vitamin D (measured as quartiles of 25OHD) on hypertension risk stratified by quality score expressed as RR for individual studies (blue), sub-groups total (white) and the calculated overall RR (red). (D) Prospective studies of vitamin D and hypertension risk sub-groups: the effect of higher vitamin D (measured as quartiles of 25OHD) on hypertension risk stratified by age and gender expressed as RR for individual studies (blue), sub-group total (white) and the calculated overall RR (red). *Studies published in one paper.

Abbreviation: CI, confidence Interval.

Prospective studies.

Notes: (A) Prospective studies of vitamin D and hypertension risk: the effect of higher vitamin D (measured as quartiles of 25OHD) on hypertension risk expressed as relative risk (RR) for individual studies (blue) and the calculated overall RR (red). (B) Funnel plot showing standard error by log RR for the prospective studies. (C) Prospective studies of vitamin D and hypertension risk sub-groups: the effect of higher vitamin D (measured as quartiles of 25OHD) on hypertension risk stratified by quality score expressed as RR for individual studies (blue), sub-groups total (white) and the calculated overall RR (red). (D) Prospective studies of vitamin D and hypertension risk sub-groups: the effect of higher vitamin D (measured as quartiles of 25OHD) on hypertension risk stratified by age and gender expressed as RR for individual studies (blue), sub-group total (white) and the calculated overall RR (red). *Studies published in one paper.

Abbreviation: CI, confidence Interval.