Table 1. Characteristics of patients with COVID-19 on hospital admission.
| Variable | Total=109 | Needed supplemental oxygen | P | |
|---|---|---|---|---|
| Yes=19 | No=90 | |||
| Age (years), mean (SD) | 44.4 (14.5) | 56.11 (10.88) | 41.89 (14.03) | <0.001* |
| Gender, n | 0.449 | |||
| Male | 58 | 12 | 46 | |
| Female | 51 | 7 | 44 | |
| Smoker, n | >0.950 | |||
| Non-smoker | 81 | 12 | 69 | |
| Former smoker | 3 | 0 | 3 | |
| Current smoker | 3 | 0 | 3 | |
| Co-morbidities, n | 30 | 10 | 20 | 0.011* |
| Days from symptom onset to admission, median (IQR) | 4 (1, 8) | 5 (1, 7) | 4 (1, 8) | 0.499 |
| Vital signs at presentation | ||||
| Temperature (°C), mean (SD) | 37.5 (0.8) | 38.15 (0.71) | 37.39 (0.76) | <0.001* |
| Mean arterial pressure (mmHg), median (IQR) | 96.0 (86.2, 103.2) | 98.0 (83.0, 103.7) | 96.0 (86.3, 103.1) | 0.731 |
| Heart rate (beats per minute), mean (SD) | 89.8 (17.2) | 97.68 (16.88) | 88.16 (16.89) | 0.027* |
| Respiratory rate (breaths per minute), median (IQR) | 18 (17, 19) | 20 (18, 20) | 18 (17, 19) | 0.002* |
| Oxygen saturation (%), median (IQR) | 98 (97, 99) | 96 (95, 98) | 98 (97, 99) | <0.001* |
| Oxygen supplementation, n | 8 | 8 | 0 | |
| Laboratory data on admission | ||||
| Total white count x109/L, median (IQR) | 4.70 (3.96, 5.90) | 4.60 (3.50, 6.70) | 4.70 (4.03, 5.90) | 0.935 |
| Hemoglobin (g/dL), median (IQR) | 13.9 (12.8, 15.1) | 13.0 (11.8, 13.9) | 14.3 (12.9, 15.3) | 0.001* |
| Platelet count x109/L, median (IQR) | 199 (166, 259) | 168 (147, 215) | 203 (175, 261) | 0.018* |
| Neutrophil count x109/L, median (IQR) | 2.94 (2.05, 3.88) | 3.35 (2.21, 6.05) | 2.80 (2.00, 3.80) | 0.095 |
| Lymphocyte count x109/L, mean (SD) | 1.29 (0.64) | 0.79 (0.33) | 1.40 (0.64) | <0.001* |
| Creatinine (μmol/L), median (IQR) | 66.0 (53.5, 79.5) | 76.0 (57.0, 90.0) | 66.0 (51.8, 79.0) | 0.149 |
| C-reactive protein (mg/L), median (IQR) | 7.5 (1.6, 23) | 68.7 (49.5, 135.4) | 4.1 (1.3, 10.5) | <0.001* |
| Lactate dehydrogenase (unit/L), median (IQR) | 411 (368, 577) | 625 (512, 966) | 399 (360, 477) | <0.001* |
*, denotes statistically significant differences between patients with and without supplemental oxygen. P-value of <0.05 is considered statistically significant.