Final 2006 statistics for the United States show that coronary heart disease (CHD) is the single leading causeofdeath in America. CHD causes heart attack and angina.
2006年美国的最后统计显示冠心病是美国单一的首要死亡因素，冠心病能引起心脏病突发及心绞痛。
2
At present, some 85 countries, representing 65% of the world's population, do not have reliable cause-of-deathstatistics.
目前，大约85个国家(占世界人口的65%)不具备可靠的死因统计资料。
3
According to statistics, venous thromboembolism is a common disease in-patients and an important causeofdeath.