摘要
本文对成都市１９５０—１９９３年伤寒发病情况作了流行病学分析，结果得出平均发病率为４．７５／１０万，发病率及死亡率总的变化趋势是下降的。发病有季节性，主要集中在５—１０月，占全年总发病数的６５．５１％。发病有地区性，人口密集的城区发病率最高。从人群分布来看，发病率以１９～２５岁组为最高，５０岁以上组最低，男性发病高于女性，学生累计发病数最高。
he total tendency of incidence rate and death rate was on the decrease. The incidence was seasonal. 65 51 percent of the cases came out during may～october. The incidence was endemic. The incidence of crowded city population was highest. According to persons distribution,the incidence was the highest among the age 19￣25. The lowest one was among the age 50 or more. The males incidence was higher than femals. The accumulative number of cases among students was highest.
出处
《现代预防医学》
CAS
1996年第3期172-173,共2页
Modern Preventive Medicine
关键词
伤寒
发病率
三间分布
流行病学
Typhoid fever Incidence Distribution in person,time and place
