COPD GOLD Staging Calculator

COPD GOLD Staging Explanation and Clinical Context Chronic Obstructive Pulmonary Disease is assessed using the Global Initiative for Chronic Obstructive Lung Disease classification which relies on the value of forced expiratory volume in one second expressed as percent predicted. This parameter reflects the degree of airflow limitation and correlates with severity of disease and symptom burden. The GOLD system places patients into four stages which guide clinical assessment treatment strategy and follow up intensity.

GOLD I Mild is defined when FEV1 is equal to or above eighty percent predicted and often presents with mild symptoms although airflow limitation has begun. GOLD II Moderate represents airflow limitation between fifty and seventy nine percent and symptoms during exertion become more noticeable. GOLD III Severe corresponds to values between thirty and forty nine percent and daily activity is significantly limited.

GOLD IV Very Severe is assigned when FEV1 is below thirty percent and is associated with chronic respiratory failure high symptom burden and marked functional decline. The classification helps clinicians counsel patients monitor disease progression and initiate interventions such as bronchodilators pulmonary rehabilitation inhaled therapy and evaluation for oxygen supplementation. Reference Global Initiative for Chronic Obstructive Lung Disease.

Global Strategy for the Diagnosis Management and Prevention of Chronic Obstructive Pulmonary Disease. GOLD Report.