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Eur J Clin Nutr. 2005 Feb;59(2):196-204.

Phylloquinone intake as a marker for coronary heart disease risk but not stroke in women.

Author information

  • 1Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, Boston, MA, USA. arja.erkkila@uku.fi

Abstract

OBJECTIVE:

To examine the feasibility of using phylloquinone intake as a marker for coronary heart disease (CHD) and stroke risk in women.

DESIGN AND SETTING:

Nurses' Health Study, a prospective cohort study during 1984-2000. Dietary data were collected in 1984, 1986, 1990, and 1994 using a validated semiquantitative food frequency questionnaire.

SUBJECTS:

A total of 72 874 female nurses, aged 38-65 y, without previously diagnosed angina, myocardial infarction (MI), stroke, or cancer at baseline.

MAIN OUTCOME MEASURES:

Incidence of nonfatal MI, CHD deaths, total CHD events, ischemic, and total strokes.

RESULTS:

There were 1679 CHD events (1201 nonfatal) and 1009 strokes (567 ischemic). After adjustment for age and lifestyle factors associated with cardiovascular disease risk, the multivariate relative risks (RR) (95% CI) of total CHD from the lowest to the highest quintile category of phylloquinone intake were 1 (reference), 0.80 (0.69-0.94), 0.86 (0.74-1.00), 0.77 (0.66-0.99), and 0.79 (0.68-0.92), P for trend=0.01. Further adjustment for dietary intakes of saturated fat, polyunsaturated fat, trans fatty acids, eicosapentaenoic, and docosahexaenoic acids, cereal fiber, and folate attenuated the association (RR comparing extreme quintiles 0.84 [0.71-1.00], P for trend=0.12). Incidence rates of total or ischemic strokes were not associated with phylloquinone intake.

CONCLUSION:

The data suggest that high phylloquinone intake may be a marker for low CHD risk. Dietary and lifestyle patterns associated with phylloquinone intakes, rather than intake of the nutrient itself, might account for all or part of the weak association. .

PMID:
15454972
[PubMed - indexed for MEDLINE]
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