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September 12, 1959, Vol 171, No. 2 >

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ARTICLE | September 12, 1959

EVALUATION OF DISABILITY IN COAL MINERS WITH CHRONIC PULMONARY DISEASE

William H. Anderson, M.D.; William F. Schmidt, M.D.
JAMA. 1959;171(2):145-150. doi:10.1001/jama.1959.03010200013004.
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At the present time the maximum breathing capacity test provides the most significant correlation between symptoms and history of ability to work without pulmonary symptoms, as compared with the vital capacity or three-second timed vital capacity tests. As a study that can be readily performed in the general hospital or physician's office, it offers the most practicable objective guide to evaluation of dyspnea in relation to hard manual labor in coal mining. This conclusion is based on studies carried out in 482 persons, most of whom were soft-coal miners, divided into seven groups by varying degrees of breathlessness in association with physical activity. Similar studies should be done to serve as disability guides for other groups of workers.

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