mMRC Dyspnoea Scale

Bestall JC, Paul EA, Garrod R, et al. Usefulness of the Medical Research Council (MRC) dyspnoea scale as a measure of disability in patients with chronic obstructive pulmonary disease. MRC grade was associated with shuttle walking distance, health status, mood and daily activities, but not with FEV₁.

Global Initiative for Chronic Obstructive Lung Disease (GOLD) report. Grades the modified MRC scale 0–4; mMRC ≥ 2 marks a more symptomatic patient in the GOLD assessment.