Table 2.
Variables | Overall (N=368) |
Corticosteroid group (N=64) |
Noncorticosteroid group (N=304) |
P-value |
---|---|---|---|---|
Baseline characteristics | ||||
Age (years) | 42.0 (33.0–51.0) | 49.5 (39.0–61.0) | 41.0 (32.0–50.0) | 0.001 |
Sex, male | 180 (48.9) | 34 (53.1) | 146 (48.0) | 0.458 |
Any comorbidity | 79 (21.5) | 19 (29.7) | 60 (19.7) | 0.078 |
Hypertension | 44 (12.0) | 12 (18.8) | 32 (10.5) | 0.065 |
Diabetes mellitus | 27 (7.3) | 6 (9.4) | 21 (6.9) | 0.671 |
Cardiovascular disease | 12 (3.3) | 5 (7.8) | 7 (2.3) | 0.062 |
Chronic liver disease | 8 (2.2) | 2 (3.1) | 6 (2.0) | 0.918 |
Chronic kidney disease | 0 (0) | 0 (0) | 0 (0) | NA |
Cerebrovascular disease | 6 (1.6) | 5 (7.8) | 1 (0.3) | <0.001 |
Chronic obstructive pulmonary disease | 4 (1.1) | 2 (3.1) | 2 (0.7) | 0.141 |
Malignancy | 3 (0.8) | 0 (0) | 3 (1.0) | 1.000 |
Rheumatic disease | 1 (0.3) | 0 (0) | 1 (0.3) | 1.000 |
Signs and symptoms at admission | ||||
Fever | 269 (73.1) | 54 (84.4) | 215 (70.7) | 0.025 |
Cough | 267 (72.6) | 50 (78.1) | 217 (71.4) | 0.272 |
Expectoration | 150 (40.8) | 27 (42.2) | 123 (40.5) | 0.798 |
Dyspnea | 31 (8.4) | 6 (9.4) | 25 (8.2) | 0.763 |
Temperature, ℃ | 36.9 (36.5–37.3) | 36.9 (36.5–37.6) | 36.9 (36.5–37.3) | 0.516 |
Respiratory rate, breaths/min | 20.0 (20.0–20.0) | 20.0 (20.0–20.3) | 20.0 (20.0–20.0) | 0.054 |
Laboratory findings at admission | ||||
Arterial blood pH | 7.460 (7.430–7.490) | 7.475 (7.445–7.505) | 7.460 (7.428–7.487) | 0.033 |
Arterial blood PaO2, mm Hg | 92.2 (78.8–115.3) | 79.5 (68.1–95.4) | 94.3 (82.0–120.0) | <0.001 |
White blood cell count, *109/L | 4.63 (3.58–5.71) | 4.59 (3.55–5.95) | 4.64 (3.58–5.68) | 0.932 |
Neutrophil count, *109/L | 2.84 (2.15–3.69) | 3.03 (2.38–3.93) | 2.80 (2.13–3.61) | 0.082 |
Lymphocyte count, *109/L | 1.17 (0.86–1.60) | 0.95 (0.73–1.26) | 1.21 (0.89–1.65) | <0.001 |
Serum lactate dehydrogenase, IU/L | 171.8 (142.8–209.0) | 182.0 (149.1–242.0) | 170.8 (141.9–206.0) | 0.047 |
Chest radiography at admission | ||||
Normal | 29 (7.9) | 3 (4.7) | 26 (8.6) | 0.297 |
Unilateral lesion | 85 (23.1) | 2 (3.1) | 83 (27.3) | <0.001 |
Bilateral lesion | 254 (69.0) | 59 (92.2) | 195 (64.1) | <0.001 |
Treatments | ||||
Antiviral therapy | 365 (99.2) | 64 (100.0) | 301 (99.0) | 1.000 |
Interferon | 231 (62.8) | 36 (56.3) | 195 (64.1) | 0.235 |
Lopinavir/Ritonavir | 283 (76.9) | 47 (73.4) | 236 (77.6) | 0.469 |
Arbidol | 217 (59.0) | 42 (65.6) | 175 (57.6) | 0.234 |
Ribavirin | 18 (4.9) | 5 (7.8) | 13 (4.3) | 0.383 |
Chloroquine phosphate | 39 (10.6) | 9 (14.1) | 30 (9.9) | 0.322 |
Antibiotic therapy | 154 (41.8) | 51 (79.7) | 103 (33.9) | <0.001 |
Quinolones | 137 (37.2) | 45 (70.3) | 92 (30.3) | <0.001 |
Cephalosporins | 10 (2.7) | 3 (4.7) | 7 (2.3) | 0.520 |
Carbapenems | 1 (0.3) | 1 (1.6) | 0 (0) | 0.174 |
Macrolides | 3 (0.8) | 1 (1.6) | 2 (0.7) | 0.437 |
Penicillins | 11 (3.0) | 6 (9.4) | 5 (1.6) | 0.004 |
Linezolid | 0 (0) | 0 (0) | 0 (0) | NA |
Polymyxin | 0 (0) | 0 (0) | 0 (0) | NA |
Teicoplanin | 0 (0) | 0 (0) | 0 (0) | NA |
Antifungal therapy | 1 (0.3) | 1 (1.6) | 0 (0) | 0.174 |
Voriconazole | 1 (0.3) | 1 (1.6) | 0 (0) | 0.174 |
Noninvasive mechanical ventilation | 0 (0) | 0 (0) | 0 (0) | NA |
Invasive mechanical ventilation | 0 (0) | 0 (0) | 0 (0) | NA |
ECMO | 0 (0) | 0 (0) | 0 (0) | NA |
CRRT | 0 (0) | 0 (0) | 0 (0) | NA |
Values are presented as median (IQR) or number (percentage); p values were compared by Chi-square test, Fisher’s exact test, or Mann-Whitney U test.
ECMO, extracorporeal membrane oxygenation; CRRT, continuous renal replacement therapy; NA, not available.