Parameter | No SP | SP | p-value |
Subjects n | 99 | 13 | |
Mean±sd age yrs | 39.4±12.9 | 34.1±9.6 | 0.153 |
Male | 38 (38.4) | 8 (61.55) | 0.138 |
Smoking status: nonsmoker, exsmoker, current smoker | 92, 4, 3 | 13, 0, 0 | 0.612 |
| (93, 4, 3) | (100, 0, 0) | |
Active comorbidity | 13 (13.1) | 3 (23.1) | 0.394 |
Apparently normal chest radiograph on admission | 23 (23.2) | 5 (38.5) | 0.305 |
Multilobar involvement on initial chest radiograph | 20 (20.2) | 1 (7.7) | 0.456 |
Haemoglobin g·dL−1 | 13.5±1.6 | 14.2±0.8 | 0.052 |
Initial total peripheral WBC count ×109·L−1 | 6.3±2.1 | 7.5±2.7 | 0.055 |
Initial lymphocyte count ×109·L−1 | 0.9±0.5 | 0.8±0.3 | 0.458 |
Initial platelet count ×109·L−1 | 170±49 | 172±37 | 0.910 |
Initial urea mmol·L−1 | 4.1±1.2 | 4.4±1.1 | 0.475 |
Initial creatinine µmol·L−1 | 85.5±16.0 | 90.7±14.3 | 0.266 |
Initial LDH IU·L−1 | 379 (313–449) | 344 (296–518) | 0.663 |
peak LDH IU·L−1 | 583 (471–746) | 863 (702–1485) | 0.001 |
Cumulative methylprednisolone dose g | 2.3±1.1 | 2.4±0.5 | 0.741 |
Viral load in NP specimen on presentation log10 RNA copies·mL−1 | 0 (0–5.0) | 0 (0–4.6) | 0.493 |
Viral load in NP specimen peak log10 RNA copies·mL−1 | 0 (0–5.3) | 4.5 (0–6.6) | 0.169 |
Intubation | 10 (10.1) | 5 (38.5) | 0.015 |
Death | 10 (10.1) | 4 (30.8) | 0.057 |