Table 1.

Patient demographics and covariates at the index admission in patients with COPD as primary diagnosis, underlying COPD and respiratory failure due to COPD

	AECOPD	any COPD	Respiratory failure
N (%)	717 (20.2)	2573 (72.4)	265 (7.4)
Men	311 (43.4)	1142 (44.4)	109 (41.1)
Women	406 (56.6)	1431 (55.6)	156 (58.9)
Age (years)	72.8 (64.0–79.9)	73.4 (63.6–81.3)	73.4 (65.9–78.0)
Charlson score	1.0 (0–11)	1.0 (0–11)	1.0 (0–11)
Length of stay (days)	3.2 (0.8–7.8)	2.2 (0.7–6.8)	5.9 (1.8–12.0)
CRP (mg/L)	24.0 (6.0–75.0)	15.0 (4.0–65.0)	26.0 (7.0–86.0)
suPAR (ng/mL)	3.5 (2.6–5.0)	3.8 (2.8–5.4)	3.8 (2.8–5.3)

Values are presented as percentages or median (IQR)