Figure 1From: Three years of pulmonary rehabilitation: inhibit the decline in airflow obstruction, improves exercise endurance time, and body-mass index, in chronic obstructive pulmonary disease Evolution of FEV 1 decline, rehabilitation group represented by line and black triangles, whereas control group by line and black squares. A significant difference in the rate of FEV1 over time is noted between these two groups (p < 0.001).Back to article page