TARF Survey 2011: mortality and performance in the long-term follow-up [Turk Kardiyol Dern Ars]
Turk Kardiyol Dern Ars. 2012; 40(2): 117-121 | DOI: 10.5543/tkda.2012.01885

TARF Survey 2011: mortality and performance in the long-term follow-up

Altan Onat1, Mesut Aydın2, Bayram Köroğlu3, Ender Örnek4, Servet Altay3, Ethem Çelik4, Ahmet Karagöz5
1Department of Cardiology, Istanbul University Faculty of Medicine, Istanbul, Turkey
2Department of Cardiology, Dicle University Faculty of Medicine, Diyarbakir, Turkey
3Department of Cardiology, Dr. Siyami Ersek Thoracic and Cardiovascular Surgery Training and Research Hospital, Istanbul, Turkey
4Etlik Educational Hospital, Cardiology Clinic, Ankara, Turkey
5Numune Educational Hospital, Cardiology Clinic, Ankara, Turkey


OBJECTIVES
We analyzed all-cause and coronary mortality data of the Turkish Adult Risk Factor Study cohort in Marmara and Central Anatolia regions, surveyed in 2011, and overall performance of long-term (21 years) follow-up of participants.

STUDY DESIGN
A total of 1,588 participants with an age range of 45 to 74 years were surveyed. Information on the mode of death was obtained from first-degree relatives and/or personnel of local health offices. Information on survivors was obtained from history, physical examination, and 12-lead electrocardiograms. Loss to follow-up was defined as the lack of physical examination for at least eight years.

RESULTS
Of the surveyed participants, 854 were examined, information on health status was obtained in 606 subjects, 46 individuals (28 men, 18 women) were ascertained to have died, and 82 subjects were lost to follow-up. A total of 2,800 person-years were added to follow-up. Nineteen deaths were attributed to coronary heart disease (CHD) and five deaths to cerebrovascular events. Overall mortality was estimated as 10.9 per 1000 person-years. In the age bracket of 45-74 years, overall annual all-cause mortality and CHD mortality were 12.8 and 5.5 per mille, respectively. Based on the total loss to follow-up (31.2%) during the past two decades, an annual loss to follow-up may be derived as 19.3 for every 1000 participants. This loss was nearly twice as high in participants living in big cities compared to those in smaller towns and rural areas.

CONCLUSION
A trend to slight reduction in coronary mortality, though not in overall mortality, before the age 75 years is noted in Turks. Annual loss to follow-up amounts to 2% of the participants.

Keywords: Coronary disease/mortality, mortality/trends, Turkey/epidemiology

How to cite this article
Altan Onat, Mesut Aydın, Bayram Köroğlu, Ender Örnek, Servet Altay, Ethem Çelik, Ahmet Karagöz. TARF Survey 2011: mortality and performance in the long-term follow-up. Turk Kardiyol Dern Ars. 2012; 40(2): 117-121

Corresponding Author: Altan Onat, Türkiye
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