Ostro B
Environ Health Perspect. 1984 Dec;58:397-9. doi: 10.1289/ehp.8458397.
The relationship between air pollution and increased risk of mortality has been explored previously using data on 14 winters in London. The results of these analyses have been used to determine a no-observable-effects level. This reanalysis of the data finds no evidence to support the existence of a no-effects level. Further, the reanalysis suggests that the estimated pollution-mortality relationship exists even in nonepisodic winters, when British Smoke readings were less than 500 micrograms/m3.
此前曾利用伦敦14个冬季的数据探讨空气污染与死亡风险增加之间的关系。这些分析结果已被用于确定无可见影响水平。对这些数据的重新分析没有发现证据支持无影响水平的存在。此外,重新分析表明,即使在非突发性冬季,即英国烟雾读数低于500微克/立方米时,估计的污染与死亡率之间的关系依然存在。