Characteristics of patients admitted to hospital with SARS-CoV-2 infection at time of admission
| Variable | No. (%) of patients* n = 656 |
|---|---|
| Age, yr, mean ± SD | 72.9 ± 18.3 |
| Age group, yr | |
| < 50 | 73 (11.1) |
| 50–59 | 85 (13.0) |
| 60–69 | 71 (10.8) |
| 70–79 | 125 (19.1) |
| ≥ 80 | 302 (46.0) |
| Sex, female | 349 (53.2) |
| Length of symptoms, d, median (IQR) (n = 550) | 6.0 (3.0–10.0) |
| Level of intervention (n = 645) | |
| 1 | 304 (47.1) |
| 2 | 55 (8.5) |
| 3 | 214 (33.2) |
| 4 | 72 (11.2) |
| Patients not living in residential care | 353 (53.8) |
| Patients living in residential care | 303 (46.2) |
| Public long-term care facilities | 153 (23.3) |
| Private residential care facilities | 105 (16.0) |
| Public intermediate care facilities | 45 (6.9) |
| No. of comorbidities | |
| 0 | 103 (15.7) |
| 1 | 120 (18.3) |
| 2 | 145 (22.1) |
| 3 | 111 (16.9) |
| ≥ 4 | 177 (27.0) |
| Comorbidities (n = 655) | |
| Hypertension | 399 (60.9) |
| Coronary artery disease | 122 (18.6) |
| Congestive heart failure | 64 (9.8) |
| Diabetes | 183 (27.9) |
| Asthma | 50 (7.6) |
| COPD | 100 (15.3) |
| Dementia | 209 (31.9) |
| Symptoms on admission | |
| Presence of fever, cough or URTI | 422 (64.3) |
| Fever (n = 654) | 358 (54.7) |
| Cough (n = 652) | 353 (54.1) |
| Dyspnea (n = 653) | 355 (54.4) |
| URTI (n = 651) | 58 (8.9) |
| Myalgias (n = 651) | 69 (10.6) |
| Fatigue (n = 651) | 194 (29.8) |
| Diarrhea (n = 651) | 112 (17.2) |
| Vitals on admission | |
| Tachycardia (heart rate > 100) (n = 653) | 142 (21.7) |
| Tachypnea (respiratory rate > 20) (n = 633) | 445 (70.3) |
| Temperature > 38.0°C (n = 611) | 151 (24.7) |
| Hypoxemia (O2 < 88% or FiO2 > 0.21) (n = 652) | 240 (36.8) |
| Laboratory values | |
| WBC, × 109/L, median (IQR) (n = 652) | 6.9 (5.0–9.6) |
| Lymphocyte count, × 109/L, median (IQR) (n = 652) | 1.0 (0.7–1.4) |
| Lymphopenia (n = 652) | 296 (45.4) |
| Platelets, × 109/L, median (IQR) (n = 652) | 204.0 (159.5–268.5) |
| Creatinine, μmol/L, median (IQR) (n = 636) | 85.5 (67.5–118.0) |
| ALT, U/L, median (IQR) (n = 600) | 23.0 (15.0–37.0) |
| Procalcitonin, μg/L median (IQR) (n = 534) | 0.1 (0.1–0.3) |
| LDH, U/L, median (IQR) (n = 547) | 324.0 (251.0–416.0) |
| D-dimer, μg/L FEU, median (IQR) (n = 482) | 1071 (604.0–1773) |
| IL-6, ng/mL, median (IQR) (n = 286) | 39.6 (18.4–74.4) |
Note: ALT = alanine aminotransferase, COPD = chronic obstructive pulmonary disease, FEU = fibrinogen equivalent units, IL6 = interleukin-6, IQR = interquartile range, LDH = lactate dehydrogenase, SD = standard deviation, URTI = symptoms of upper respiratory tract infection, WBC = white blood count.
↵* Unless indicated otherwise.