| Objective:To understand the death levels, the characteristics of distribution, the burden of disease caused by diabetes mellitus death among Hunan residents in 2004-2005, analyze the possible causes, the risk factors, and formulate the strategy for disease control and prevention.Methods:1 To collect the data of death surveillance in Hunan during 2004-2005 by adopting the death cause of a sample survey methodology.2 To calculate mortality rate, proportion of the total death, potential years of life lost (PYLL), working potential years of life lost (WPYLL), the expected years of potential life lost (EYPLL), years of life lost(YLLs) and other related indicators.3 Using U-test to analyze and compare with the difference in population distribution of mortality, the burden of disease caused by diabetes mellitus death.Results:1 The mortality rates of diabetes mellitus were 7.10 per100000 during 2004-2005, which standardized 4.88 per100000, and with the proportion of contribution of 1.17% in death causes of all diseases, which standardized 1.18%. It was higher among females with the mortality rates of 6.06 per100000, which standardized 4.33 per100000 than in males with the mortality rates of 8.22 per100000, which standardized 5.49 per100000 (U=2.26, P< 0.05); it was also higher among urban with the mortality rates of 9.94 per100000, which standardized 7.09 per100000 than in rural with 6.15 per100000, which standardized 4.24 per100000 (U = 29.69, P< 0.001). The mortality rates increased with the age, and the middle and old ages are the main populations. It increased rapidly among people above 55 years, from 21.16 per 100000 in people aged 55 to 93.98 per 100000 in people aged 80, and with the proportion of contribution of 83.14% to people above 55 years.2 The rates of potential years of life lost(PYLL) were 0.51‰, and the average of PYLL (APYLL) was 7.24 years; the rates of work potential years of life lost(WPYLL) were 0.35%o and the average of WPYLL (AWPYLL) was 4.87 years. There were no difference in the rates of PYLL and WPYLL on diabetes mellitus dearth among females and males though the APYLL and AWPYLL were lower; and so as among urban and rural.3 The rates of years of life lost (YLLs/1000) were 0.97, which standardized 0.69. It was higher in rural than in urban and increased with the age, and the middle and old ages are the main populations with proportion of contribution of 92.25%.4 The expected years of potential life lost (EYPLL) was 161.78 years and the main populations was 30-59 years; it was higher in rural with 168.63 years than in urban with 141.30 years.Conclusion:1 The mortality rates of diabetes mellitus in Hunan Province were lower than in central China. The mortality rates, and the proportion of contribution in the total causes of death were higher in women than in men, so as in urban than in rural areas; the mortality rates of diabetes mellitus were increased with ages, and accelerated in people above the age of 55.2 There were no difference on the rates of potential years of life lost and working potential years of life lost in men and women or in urban and rural areas caused by the death of diabetes mellitus in Hunan Province; while the average potential years of life lost and working potential years of life lost were higher.3 The years of life lost in residents caused by deaths of diabetes mellitus in Hunan Province increased with age and mainly in the elder above the age group of 50 years.4 The expected years of potential life lost caused by diabetes mellitus deaths in Hunan Province was higher in rural areas than in urban, and mainly in group of 30 to 59 years, which should be the focus of prevention and control.
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