Table 2.
Demographics, comorbidities, clinical presentation, and timing of respiratory samples for severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2) and outcome
| N 1350 | |
|---|---|
| Sex (N 1076), male percentage (%) | 43.8 |
| Age (N 160) | |
| Mean, years (range) | 47.4 (4–91) |
| SD, years | 19.3 |
| Age (including case series, N 780) | |
| Weighted arithmetic mean, years | 47.7 |
| Hospital admission, days after symptom onset (N 81), mean (SD) | 6.1 (7.6) |
| Charlson comorbidity index (N 107), median [IQR] | 0 [0–2] |
| Presence of comorbidity (N 287), % | 34.5 |
| Symptoms at presentation | |
| Fever (N 320), % | 66.3 |
| Cough (N 317), % | 52.3 |
| Dyspnea (N 254), % | 19.3 |
| Nausea/diarrhea (N 276), % | 8.3 |
| Arthro-myalgia (N 281), % | 12.8 |
| Peripheral WBC (N 27) | |
| Mean, /mmc (range) | 6281.5 (2900–13,400) |
| SD, /mmc | 2858.0 |
| Lymphocytes (N 33) | |
| Mean, /mmc (range) | 1143.4 (60–2948) |
| SD, /mmc | 636.4 |
| Neutrophils (N 22) | |
| Mean, /mmc (range) | 4740.4 (1595.9–9648.0) |
| SD, /mmc | 2858.0 |
| CRP (N 32) | |
| Mean, mg/dL (range) | 2.8 (0.1–10.0) |
| SD, mg/dL | 2.9 |
| Pneumonia (N 316), % | 82.0 |
| ICU admission (N 232), % | 2.6 |
| Treatment (N 270), % | 85.2 |
| First positive respiratory samples | |
| Days from symptoms onset (N 120), mean (SD) | 6.2 (4.7) |
| Fever (N 308), % | 68.8 |
| Symptoms (N 284), % | 87.7 |
| Type of samples (N 494) | |
| Swabs, % | 98.8 |
| Salivary tests, % | 0.4 |
| Sputum, % | 0.8 |
| Tracheal aspirate, % | 0 |
| First negative respiratory samples | |
| Days from symptoms onset (N 111), mean (SD) | 19.1 (10.2) |
| Fever (N 1033), % | 0.1 |
| Symptoms (N 324), % | 28.7 |
| Type of samples (N 458) | |
| Swabs, % | 98.3 |
| Salivary tests, % | 0.4 |
| Sputum, % | 1.1 |
| Tracheal aspirate, % | 0.2 |
| New positive respiratory samples | |
| Days from symptoms onset (N 123), mean (SD) | 34.5 (18.7) |
| Fever (N 805), % | 5.7 |
| Symptoms (N 1195), % | 27.9 |
| Type of samples (N 821) | |
| Swabs, % | 97.7 |
| Salivary tests, % | 0.2 |
| Sputum, % | 1.9 |
| Tracheal aspirate, % | 0.1 |
| SARS-CoV-2 IgG positivity (N 544), % | 92.5 |
| New negative respiratory samples | |
| Days from symptoms onset (N 76), mean (SD) | 41.2 (21.5) |
| Fever (N 113), % | 0 |
| Symptoms (N 113), % | 4.4 |
| Type of samples (N 100) | |
| Swabs, % | 95.1 |
| Salivary tests, % | 0.7 |
| Sputum, % | 4.3 |
| Tracheal aspirate, % | 0 |
| Outcome (N 802) | |
| Recovery, % | 91.6 |
| Improvement, % | 5.1 |
| Still hospitalized, % | 1.1 |
| Death, % | 2.1 |
Abbreviations: N number of patients, STD standard deviation, IQR interquartile range, WBC white blood cells, CRP C-reactive protein, ICU intensive care unit