PMC4901175_01
Evolution of spirometry in time, with denotation of the 6-month period during which pulmonary rehabilitation was undertaken. FVC = Forced Vital Capacity; FEV1 = Forced Expiratory Volume. RV = Residual Volume. TLC = Total lung volume (data are presented as percent of predicted, ECSC values; lung volumes are measured by body plethysmography throughout whole period).
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fig1
The FEV1 of 2.04 L or 62%predicted at that time was recorded and further maintained for the next 5 years (Fig. 1).