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采用自行设计并经过质量检验的调查表，对某矿务局职业病防治院的全部Ⅰ期尘肺住院患者越冬疗养前后进行了调查，并采用整群对照的方法，选取未实施越冬疗养的Ⅰ期尘肺患者作为对照。结果表明，疗养组越冬疗养前后生命质量有显著差异，疗养后患者生命质量明显提高；而对照组在越冬前后生命质量无显著改变，说明越冬疗养对煤工尘肺患者生命质量有着积极的作用。
A self-designed and quality-tested questionnaire was used to survey all stage I pneumoconiosis patients before and after over-winter treatment in Occupational Disease Prevention and Treatment Hospital of a certain mining bureau. A cluster-control study was conducted to select stage I pneumoconiosis without overwintering treatment Patient as a control. The results showed that the quality of life before and after treatment was significantly different in the treatment group and the quality of life of the patients after treatment was significantly improved. However, the quality of life of the control group before and after overwintering showed no significant change, indicating that overwintering treatment has a positive effect on the quality of life of coal workers with pneumoconiosis.