Table 2. Five-year all-cause mortality in patients with COPD.

GOLD grade	GOLD group
	A	B	C	D
Spirometry 1	3.4%	9.8%	16.2%	5.5%
Spirometry 2	7%	14.9%	8.3%	22.1%
Spirometry 3	13%	23.7%	17.7%	32.6%
Spirometry 4	16.7%	39.1%	29.5%	46%

Five-year all-cause mortality in patients with COPD, based on spirometric GOLD grades 1–4 and the GOLD groups of the Global Initiative for Chronic Obstructive Lung Disease (GOLD) 2019 ABCD classification.

Adapted from García Castillo E, Alonso Pérez T, Ancochea J, et al. Mortality prediction in chronic obstructive pulmonary disease comparing the GOLD 2015 and GOLD 2019 staging: a pooled analysis of individual patient data. By kind permission, ERS 2023: ERJ Open Research 6 (4) 00253–2020; DOI: 10.1183/23120541.00253–2020 Published 2 November 2020