Table 1.
Demographic and clinical data of the sample (n = 1950)
| Age, mean (SD), years | 61 (16) |
| Gender, male/female (%) | 1035 (53.1%)/915 (46.9%) |
| Weight, mean (SD), kg | 75 (15) |
| Height, mean (SD), cm | 165 (17) |
| Smoking status, n (%) | |
| Active | 96 (8.5%) |
| None or former | 1046 (91.5%) |
| Main symptoms at hospital admission, n (%) | |
| Fever | 1477 (75.7%) |
| Dyspnea | 621 (31.8%) |
| Myalgia | 606 (31.7%) |
| Cough | 549 (28.1%) |
| Headache | 336 (17.2%) |
| Diarrhoea | 210 (10.8%) |
| Anosmia | 169 (8.7%) |
| Ageusia | 146 (7.5%) |
| Throat Pain | 102 (5.2%) |
| Vomiting | 55 (2.8%) |
| Medical co-morbidities | |
| Hypertension | 515 (26.4%) |
| Diabetes | 236 (12.1%) |
| Chronic heart disease—cardiovascular disease | 234 (12.0%) |
| Asma | 126 (6.5%) |
| Obesity | 88 (4.5%) |
| Chronic obstructive pulmonary disease | 77 (3.9%) |
| Stroke | 38 (2.0%) |
| Rheumatological disease | 37 (1.9%) |
| Stay at the hospital, mean (SD), days | 11.4 (11.2) |
| Intensive care unit (ICU) admission | |
| Yes/No, n (%) | 130 (6.6%)/1820 (93.4%) |
| Stay at ICU, mean (SD), days | 13 (14) |
| Persistent post-COVID-19 respiratory symptoms, n (%) | |
| Fatigue | 1206 (61.4%) |
| Dyspnea | 459 (23.4%) |
| Chest pain | 126 (6.5%) |
| Cough | 50 (2.5%) |