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Table 3 Proportion of patients with baseline bronchodilator responsiveness according to GOLD severity stage.

From: Acute bronchodilator responsiveness and health outcomes in COPD patients in the UPLIFT trial

GOLD Stage n Criterion A Criterion B Criterion C
II 2694 1714 (64%) 1735 (64%) 1404 (52%)
III 2580 1226 (48%) 1738 (64%) 798 (31%)
IV 506 93 (18%) 315 (62%) 28 (6%)
All 5783 3033 (52%) 3788 (66%) 2230 (39%)
  1. GOLD = Global Initiative for Chronic Obstructive Lung Disease
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