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Philippine cardiovascular outcome study-diabetes mellitus (PhilCOS-DM): The eight-year incidence of diabetes mellitus and other cardiovascular outcomes of the 1998 FNRI-NNS, in the NCR, Region 3 and Region 4.


Tommy Ty-Willing,
Maria Luz Joanna B. Soria,
Felicidad V. Velandria,
Bernard S. Vega

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Publication Information

Publication Type
Publication Sub Type
Philippine Journal of Cardiology
Publication Date
January-June 2007


OBJECTIVES: The study determined the 8-year incidence of diabetes mellitus and the 2006 prevalence of DM, IFG, IGT, stroke, and CAD among respondents of the 1998 Food and Nutrition Research Institute 5th National Nutrition Survey in the National Capital Region (NCR), Region 3, and Region 4.

DESIGN: This was a descriptive cohort study.

SETTING: This was a community-based study including all previous respondents of the 1998 FNRI-NNS survey in NCR, Region 3, and Region 4.

PARTICIPANTS: Out of the previous 1,316 individuals in the 3 areas of the 1998 FNRI-NNS data, a total of 1,099 respondents were included in the 2006 Philippine Cardiovascular Outcome Study (PhilCOS) with a dropout rate of 15 percent.

MAIN OUTCOME MEASURE: The study determined the 8-years incidence rate of DM, the 2006 prevalence rate of DM impaired fasting glucose (IFG), impaired glucose tolerance (IGT), stroke, and coronary artery disease (CAD) of the cohort.

RESULTS: The 8-years incidence of DM using FBG was 12 percent. The prevalence of DM was 18 percent (combined FBG, 2H PG, and interview); 12 percent by FBG, 10 percent by 2H PG, and 9 percent by interview alone, from a previous of 4 percent based on FBG alone in the 1998 FNRI-NNS survey. The prevalence rate of impaired fasting glucose (IFG) also increased from 2 percent in 1998 to 10 percent in 2006. Both surveys used IFG 110-125mg/dL. However, the prevalence of IFG increased to 31 percent upon using the newer cut-off level of 100-125mg/dL. The prevalence of IGT is 26 percent. The prevalence of stroke and CAD were both 5 percent.

CONCLUSIONS: The PhilCOS-DM has reported the first 8-year incidence rate of DM in our country. Alarmingly, PhilCOS-DM also determined significant increases in the prevalence rates for DM, IFG, and IGT among Filipinos that warrant early aggressive intervention for prevention and management.

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