Table 2 Demographic information, disease history and vital signs in the baseline in three different groups in the ITT population
|  | Steroid + Azithromycin | Azithromycin | Lopinavir/Ritonavir | Total | P-value |
|---|---|---|---|---|---|
Age—mean (SD)* | 58.2 (17.2) | 57.6 (15.6) | 58.4 (16.0) | 58.1 (16.3) | 0.889 |
Sex (Male)—no. (%) | 57 (49.1) | 55 (50.0) | 61 (55.5) | 173 (51.5) | 0.307 |
BMI—mean (SD) | 28.8 (4.7) | 29.4 (5.6) | 27.7 (5.8) | 28.6 (5.4) | 0.068 |
Smoking—no. (%) |  |  |  |  |  |
 Never-smoker | 38 (82.6) | 36 (70.6) | 32 (72.7) | 106 (75.2) | 0.625 |
 Current smoker | 2 (4.4) | 6 (11.8) | 5 (11.4) | 13 (9.2) | |
 Ex-smoker | 6 (13.0) | 9 (17.7) | 7 (15.9) | 22 (15.6) | |
 Total | 46 (100.0) | 51 (100.0) | 44 (100.0) | 141 (100.0) | |
Comorbidities—no. (%) |  |  |  |  |  |
 Hypertension | 23 (19.8) | 30 (27.3) | 30 (27.3) | 83 (24.7) | 0.638 |
 Diabetes | 13 (11.2) | 14 (12.7) | 14 (12.7) | 41 (12.2) | 0.964 |
 Chronic heart disease | 7 (6.0) | 15 (13.6) | 8 (7.3) | 30 (8.9) | 0.122 |
 Chronic lung disease, not asthma | 4 (3.5) | 6 (5.5) | 5 (4.6) | 15 (4.5) | 0.824 |
 Chronic Kidny Disease | 1 (0.9) | 1 (0.9) | 2 (1.8) | 4 (1.2) | 0.794 |
 Mild liver disease | 2 (1.7) | 1 (0.9) | 1 (0.9) | 4 (1.2) | 0.125 |
 Rheumatologic disease | 0 (0.0) | 1 (0.9) | 0 (0.0) | 1 (0.3) | 0.367 |
 Chronic neurologic disease | 5 (4.3) | 2 (1.8) | 4 (3.6) | 11 (3.3) | 0.502 |
Vital signs on admission—no. (%) |  |  |  |  |  |
 Fever °C—mean (SD) | 37.15 (0.69) | 37.20 ((0.71) | 37.17 (0.69) | 37.18 (0.70) | 0.884 |
 Heart rate—mean (SD) | 87.45 (14.96) | 89.61 (15.23) | 87.33 (14.48) | 88.11 (14.87) | 0.491 |
 Respiratory rate—median (IQR) | 18 (18–20) | 19 (18–22) | 19 (18–22) | 18 (18–21) | 0.704 |
 O2 Saturation %—median (IQR) | 90 (88–92) | 90 (87–92) | 90 (87–92) | 90 (88–92) | 0.617 |
 Systolic BP mmHg—mean (SD) | 121.84 (16.8) | 124.14 (15.4) | 123.78 (15.9) | 122.91 (16.0) | 0.594 |
 Diastolic BP mmHg—mean (SD) | 76.6 (10.1) | 77.97 (9.9) | 76.32 (9.7) | 76.95 (9.9) | 0.411 |