TABLE 4.

Multivariate analysis

Variable	Odds ratio (95% CI)	p-value
Sex (male)	0.85 (0.33–2.27)	0.748
ICU admission	0.15 (0.05–0.45)	0.001
Cognitive complaints	3.41 (1.32–9.58)	0.014
Psychiatric symptoms#	3.19 (1.23–8.68)	0.019
Pathological CT scan of the chest	0.78 (0.29–2.16)	0.625

ICU: intensive care unit; CT: computed tomography;. ^#: psychiatric symptoms were defined as Hospital Anxiety and Depression Scale >7 or 13-item Beck Depression Inventory >7 or Post-Traumatic Stress Disorder Checklist for DSM-V >30.