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Table 2 Distribution of airflow obstruction severity in the COPD group

From: Effectiveness of adding a peak flow meter for the identification of patients with chronic obstructive pulmonary disease in real-world clinical practice

 

Severity of airway obstruction

GOLD 4 (very severe)

GOLD 3 (severe)

GOLD 2 (moderate)

GOLD 1 (mild)

Number

11

23

36

9

  1. Notes: Severity: GOLD 4, %FEV1 < 30%; GOLD 3, 30%≤%FEV1 < 50%; GOLD 2, 50%≤%FEV1 < 80%; GOLD 1, %FEV1 ≥80%
  2. Abbreviations: COPD, chronic obstructive pulmonary disease; %FEV1, forced expiratory volume 375 in 1 second relative to the reference value
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BMC Pulmonary Medicine

ISSN: 1471-2466

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