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Table 4 GOLD severity stage (2014) classification across all visits

From: The effect of changes to GOLD severity stage on long term morbidity and mortality in COPD

GOLD category First visit (i.e. 1 per patient) All visits (up to 12 per patient)
n (visits) % n (visits) %
A 2420 49.5 9741 45.6
B 1268 26.0 5344 25.0
C 476 9.7 2194 10.3
D 721 14.8 4069 19.0