Table 5.

Multivariate Cox regression analysis of 1-year mortality

	HR	95% CI	p
High NT-proBNP	2.69	1.47–4.89	0.001
Age	1.08	1.06–1.11	< 0.001
Need for non-invasive mechanical^ ventilation^	4.04	0.95–17.12	0.057
Need for invasive mechanical ventilation	8.19	1.84–36.46	0.006
C-reactive protein	1.02	1.00-1.05	0.034

^{^} Non-invasive mechanical ventilation included high-flow nasal cannula and non-invasive ventilation

Adjusted by sex, hypertension, ever smoked, diabetes, chronic heart failure, ischemic heart disease, atrial fibrillation or flutter, chronic kidney disease, COPD, cancer history, respiratory support, D-dimer, C-reactive protein and hs-cTnT.