| Variables | Total (n = 779) | Elderly patients (n = 135) | Younger patients (n = 644) | p-value |
| Symptomatology (%) |
|
|
|
|
| Symptomatic | 695 (89.2) | 121 (89.6) | 574 (89.1) | 0.864 |
| Asymptomatic | 84 (10.8) | 14 (10.4) | 70 (10.9) | |
| Reason for admission |
|
|
|
|
| General signs (%) |
|
|
|
|
| asthenia | 311 (44.7) | 36 (29.8) | 275 (47.9) | <0.0001 |
| Fever | 237 (34.1) | 24 (19.8) | 213 (37.1) | <0.0001 |
| Headache | 174 (25.0) | 26 (21.5) | 148 (25.8) | 0.345 |
| Dizziness | 6 (0.9) | 1 (0.8) | 5 (0.9) | 0.618 |
| Respiratoiry signs (%) |
|
|
|
|
| Cough* | 482 (69.4) | 103 (85.1) | 379 (66.0) | <0.0001 |
| Anosmia | 202 (29.1) | 17 (14.0) | 185 (32.2) | <0.0001 |
| Dyspnea | 162 (23.3) | 59 (48.7) | 103 (17.9) | <0.0001 |
| Sneezing | 102 (14.7) | 19 (15.7) | 83 (14.5) | 0.725 |
| Rhinorrhea | 38 (5.5) | 7 (5.8) | 31 (5.4) | 0.866 |
| Chest pain | 11 (1.6) | 3 (2.5) | 8 (1.4) | 0.416 |
| Digestive signes (%) |
|
|
|
|
| Agueusia | 197 (28.3) | 59 (48.8) | 138 (24.0) | <0.0001 |
| Diarrhea | 29 (4.2) | 10 (8.3) | 19 (3.3) | 0.013 |
| Anorexiea | 18 (2.6) | 3 (2.5) | 15 (2.6) | 0.810 |
| Odynophagia | 17 (2.4) | 2 (1.7) | 15 (2.6) | 0.773 |
| Vomiting | 15 (2.6) | 3 (2.5) | 12 (2.1) | 0.945 |
| Dysphagia | 8 (1.2) | 1 (0.8) | 7 (1.2) | 0.915 |
| Abdominal pain | 3 (0.4) | 1 (0.8) | 2 (0.3) | 0.76 |
| Neurological signs (%) |
|
|
|
|
| Impaired consciousness | 12 (1.7) | 5 (4.1) | 7 (1.2) | 0.041 |
| Insomnia | 5 (0.7) | 3 (2.5) | 2 (0.3) | 0.011 |
| Physical signs (%) |
|
|
|
|
| No vital distress signs | 596 (76.5) | 67 (49.6) | 529 (82.1) | <0.0001 |
| Vital distress signs | 183 (23.5) | 68 (50.4) | 115 (17.9) |