Table 1.
Demographics and clinical characteristics of patients with COVID-19.
| Total (n = 280) | Mild group (n = 70) | Moderate group (n = 70) | Severe group (n = 70) | Critical group (n = 70) | p value* | |
|---|---|---|---|---|---|---|
| Age (mean ± SE) | 55.1 ± 1.6 | 58.5 ± 1.3 | 63.5 ± 1.5 | 69.2 ± 1.3 | 0.001 | |
| Sex | ||||||
| Female | 120 (42.8%) | 45 (64.3%) | 30 (42.8%) | 25 (35.7%) | 20 (28.6%) | 0.041 |
| Male | 160 (57.1%) | 25 (35.7%) | 40 (57.1%) | 45 (64.3%) | 50 (71.4%) | 0.041 |
| Clinical manifestations | ||||||
| Fever | 230 (82.1%) | 42 (60%) | 55 (78.5%) | 63 (90%) | 70 (100%) | 0.028 |
| Dry cough | 220 (78.6%) | 49 (70%) | 52 (74.2%) | 56 (80%) | 63 (90%) | 0.138 |
| Fatigue | 216 (77.1%) | 41 (58.6%) | 50 (71.4%) | 59 (84.2%) | 66 (94.2%) | 0.019 |
| Dyspnea | 160(57.1%) | 8 (11.4%) | 22 (31.4%) | 60 (85.76%) | 70 (100%) | 0.001 |
| Myalgia | 159 (56.8%) | 28 (40%) | 36 (51.4%) | 45 (64.3%) | 50 (71.4%) | 0.017 |
| Headache | 95 (33.9%) | 18 (25.7%) | 21 (30%) | 25 (35.7%) | 31 (44.3%) | 0.847 |
| Nausea and vomitung | 91 (31.5%) | 36 (51.4%) | 27 (38.6%) | 17 (24.3%) | 11 (15.7%) | 0.117 |
| Anosmia | 82 (29.3%) | 28 (40%) | 19 (27.1%) | 10 (14.3%) | 6 (8.6%) | 0.795 |
| Chest pain | 68 (24.3%) | 1 (1.4%) | 7 (10%) | 18 (25.7%) | 42 (60%) | 0.004 |
| Pharyngalgia | 28 (13.6%) | 13 (18.6%) | 11 (15.6%) | 9 (12.8%) | 5 (7.1%) | 0.124 |
| Ausculattory findings | ||||||
| Normal | 38 (13.6%) | 29 (41.4%) | 9 (12.6%) | 0 (0%) | 0 (0%) | 0.000 |
| Attenuated breathing sound | 150 (53.6%) | 28 (40%) | 29 (41.4%) | 31 (44.3%) | 62 (88.6%) | 0.044 |
| Sharpened respiratory sound | 92 (32.9%) | 13 (45.7%) | 32(32.9%) | 39 (41.4%) | 8 (11.4%) | 0.206 |
| Audible cracks diffusely | 152 (54.3%) | 6 (8.6%) | 35(50%) | 47 (67.1%) | 64 (91.4%) | 0.005 |
| Audible whistling | 90 (32.1%) | 4 (5.7%) | 17 (2.8%) | 27 (21.4%) | 42 (37.1%) | 0.067 |
| CXR findings | ||||||
| Normal finding | 56 (20%) | 56 (80%) | 0 (0%) | 0 (0%) | 0 (0%) | 0.001 |
| Interstitial thickening | 56 (20%) | 14 (20%) | 42 (60%) | 0 (0%) | 0 (0%) | 0.001 |
| Focal consolidation | 28 (10%) | 0 (0%) | 28 (40%) | 0 (0%) | 0 (0%) | 0.001 |
| Multifocal consolidation | 70 (25%) | 0 (0%) | 0 (0%) | 70 (100%) | 0 (0%) | 0.001 |
| Diffuse alveolar changes—ARDS | 70 (25%) | 0 (0%) | 0 (0%) | 0 (0%) | 70 (100%) | 0.001 |
| Length of hospital stay (in days) | 7 | 12 | 18 | 28 | 0.154 | |
Significant values are in italics.
Data expressed as mean, standard error (SR), frequency (percentage).
*p values indicate differences between mild, moderate and severe group p < 0.05 was considered statistically significant.