Demographics and clinical characteristics of patients enrolled in CovILD
| Characteristics | N=145 |
| Mean age – yr (sd) | 57 (14) |
| Female sex – no. (%) | 63 (43) |
| Mean body mass index – kg·m−2 (sd)# | 26 (5) |
| Smoking history – no. (%) | 57 (39) |
| Current – no. (%) | 4 (3) |
| Mean pack years – no. (sd) | 8 (16) |
| Comorbidities – no. (%) | |
| None | 33 (23) |
| Cardiovascular disease | 58 (40) |
| Hypertension | 44 (30) |
| Pulmonary disease | 27 (19) |
| COPD | 8 (6) |
| Asthma | 10 (7) |
| Interstitial lung disease¶ | 1 (1) |
| Metabolic disease | 63 (43) |
| Hypercholesterolemia | 27 (19) |
| Diabetes mellitus, type 2 | 24 (17) |
| Chronic kidney disease | 10 (7) |
| Chronic liver disease | 8 (6) |
| Malignancy | 17 (12) |
| Immunodeficiency+ | 9 (6) |
| Hospitalised – no. (%) | 109 (75) |
| In-hospital treatment§ | |
| Oxygen supply – no. (%) | 72 (66) |
| Non-invasive ventilation – no. (%) | 3 (3) |
| Invasive ventilation – no. (%) | 29 (27) |
#The body-mass index is the weight kilograms divided by the square of the height in meters.
¶1 patient with a history of radiation-induced pneumonitis.
+Due to disease or ongoing immunosuppressive treatment: renal transplantation (N=1), psoriasis vulgaris (N=1), Morbus Hashimoto (N=1), leukemia (N=1), lymphoma (N=1), gout (N=1), polyarthritis (N=1).
§All patients needing non-invasive or invasive ventilation were supplied with oxygen before ICU admission, relative numbers depict the treatment of in-hospital patients.