Harada H, Nishikawa S, Takahashi K
Arch Neurol. 1983 Mar;40(3):151-4. doi: 10.1001/archneur.1983.04050030045008.
A study of the incidence of Parkinson's disease was carried out in a Japanese city, and cases of those who had died were studied to clarify the longevity of the patients and causes of death. On incidence day, April 1, 1980, a total of 101 patients with Parkinson's disease were found to be living in the investigated area, which had a population of 125,291. The incidence rate was 80.6 per 100,000 population, and the average annual incidence for the period 1975 through 1979 was 10.2 per 100,000 population per year. The average age at death was 70.0 years, and the mean duration of illness was 7.4 years. The main causes of death were heart diseases and bronchopneumonia, which were complications of a long period of being bedridden.
在日本一个城市开展了一项帕金森病发病率的研究，并对已死亡病例进行研究，以明确患者的寿命及死因。在发病日，即1980年4月1日，发现共有101名帕金森病患者生活在被调查区域，该区域人口为125,291人。发病率为每10万人口80.6例，1975年至1979年期间的年均发病率为每10万人口每年10.2例。平均死亡年龄为70.0岁，平均病程为7.4年。主要死因是心脏病和支气管肺炎，这是长期卧床的并发症。
