Table 1.
Epidemiological and clinical characteristics of patients.
| Characteristics | Patients (N-%) |
|---|---|
| Age (mean-SD) (y) | 58.8 ± 12.9 |
| Gender (female/male) | 25/22 |
| Ethnicity | |
| Caucasian | 44 (93.6) |
| North African | 2 (4.3) |
| Black African | 1 (2.1) |
| Smoker | 0 (0) |
| Patients with seasonal allergy | 12 (25.5) |
| Comorbidities | |
| Hypertension | 10 (21.3) |
| GERD | 9 (19.1) |
| Hypothyroidism | 9 (19.1) |
| Diabetes | 7 (14.9) |
| Asthma | 5 (10.6) |
| Heart problems | 4 (8.5) |
| Neurological diseases | 3 (6.4) |
| Renal failure | 2 (4.2) |
| Hepatic insufficiency | 1 (2.1) |
| Untreated cancer | 1 (2.1) |
| Depression | 1 (2.1) |
| Autoimmune disease | 0 (0) |
| Respiratory insufficiency | 0 (0) |
| General Symptoms | |
| Asthenia | 44 (93.6) |
| Fever (>38 ℃) | 44 (93.6) |
| Anorexia | 44 (93.6) |
| Dyspnea | 41 (87.2) |
| Cough | 38 (80.9) |
| Myalgia | 36 (76.6) |
| Headache | 35 (74.5) |
| Diarrhea | 32 (68.1) |
| Arthralgia | 27 (57.4) |
| Chest pain | 26 (55.3) |
| Nausea/vomiting | 24 (51.1) |
| Abdominal pain | 22 (46.8) |
| Conjunctivitis | 14 (29.8) |
| Ear, Nose, and Throat Symptoms | |
| Rhinorrhea | 33 (70.2) |
| Nasal obstruction | 30 (63.8) |
| Dysphonia | 27 (57.4) |
| Throat sputum | 26 (55.3) |
| Postnasal drip | 25 (53.2) |
| Sore throat | 23 (48.9) |
| Dysphagia | 21 (44.7) |
| Face pain/heaviness | 18 (38.3) |
| Nose burning | 15 (31.9) |
| Ear pain | 14 (29.8) |
| Presumed hyposmia | 10 (21.3) |
| Presumed anosmia | 8 (17.2) |
| Cacosmia | 8 (17.2) |
| Taste dysfunction | 6 (12.8) |
| Phantosmia | 1 (2.1) |
| Hospitalization Findings | |
| ICU patients | 8 (17.0) |
| Duration of symptoms before hospitalization (mean, SD) | 10.7 ± 5.0 |
| Hospitalization duration (mean, SD-range, days) | 8.7 ± 4.8 (2–21) |
| Chest CT-Scan Findings (Lung Involvement) | |
| 10–25% | 9 (19.1) |
| 25–50% | 23 (48.9) |
| >50% | 6 (12.8) |
| >75% | 1 (2.1) |
| Missing data | 8 (17.0) |
| Biology Features | |
| Hemoglobin (g/dL) | 14.0 ± 1.6 |
| Neutrophils (103/µL) | 6.8 ± 3.4 |
| Lymphocytes (103/µL) | 1.1 ± 0.5 |
| Lymphopenia | 34 (72.3) |
| Normopenia | 13 (27.7) |
| Platelets (103/µL) | 242.9 ± 113.2 |
| CRP (mg/L) | 119.5 ± 110.1 |
| Creatinine (mg/dL) | 1.1 ± 0.8 |
| Bilirubin (mg/dL) | 0.5 ± 0.3 |
| D-dimer (µg/L) | 1258.0 ± 531.1 |
| LDH (UI/L) | 362.4 ± 138.3 |
| Na+ (mmol/L) | 136.9 ± 3.6 |
| K+ (mmol/L) | 4.1 ± 0.7 |
| Cl− (mmol/L) | 97.2 ± 4.1 |
| 1 month mean (SD) IgG level | 173.3 ± 80.6 |
Abbreviations: CRP = C-reactive protein; CT = computed tomography; GERD = gastroesophageal reflux disease; SD = standard deviation.