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Abstract
Seventy-one subjects who had previously been treated for tuberculosis up to 16 years
before underwent pulmonary function assessment. Evidence of airways obstruction was
found in 48 (68%). There was an inverse relationship between the extent of the disease
on the original chest radiograph and the forced expired volume in one second (FEV1).
A similar inverse relationship between the amount of sputum produced and the FEV1
and the original chest radiograph was also found. Treated pulmonary tuberculosis is
a cause of significant chronic obstructive airways disease.