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关于煤矿工人的肺功能检查,一向有不同的意见。曾有报告认为没有X线尘肺征象的矿工,也可有肺功能损害。也有人认为吸烟与否也是因素之一。本文探讨:①为矿工做肺弥散量测验能否发现未被X线及通气测验所发现的肺功能损害;②如果发现肺功能损害,是否与吸烟有关。本文研究对象是133名煤矿工人(作者认为已能排除采样错误,)根据工龄和是否吸烟,分为三组:
Pulmonary function tests of coal miners have always had different opinions. There have been reports that miners without signs of X-ray pneumoconiosis may also have impaired pulmonary function. Some people think that smoking is also one of the factors. This article explores: (1) for the miners to do the lung dispersion test can not be found by X-ray and ventilation test found that lung function damage; (2) if the discovery of lung dysfunction, whether smoking related. The study object is 133 coal miners (the authors believe that can eliminate sampling errors), according to length of service and whether smoking, divided into three groups: