Table 2.
Comparison of the baseline characteristics of survivors and non-survivors.
| Variable | Survivors N = 107 |
Non-survivors N = 20 |
p value |
|---|---|---|---|
| Male (number) | 60 (56.07%) | 15 (75.00%) | 0.090 |
| Female (number) | 47 (43.92%) | 5 (25.00%) | |
| Age (years) | 58.62 ± 14.68 | 75.36 ± 12.14 | 0.000⁎ |
| Pre-hospital day (day) | 10 [7, 14] | 7 [4, 14] | 0.308 |
| Underlying disease | |||
| Diabetes | 10 (9.35%) | 0 (0.00%) | 0.361 |
| Hypertension | 26 (24.30%) | 5 (25.00%) | 0.999 |
| Cardiovascular disease | 5 (4.67%) | 2 (10.00%) | 0.304 |
| Chronic pulmonary disease | 5 (4.67%) | 2 (10.00%) | 0.304 |
| Cerebral vascular disease | 0 (0.00%) | 3 (15.00%) | 0.003⁎ |
| Malignant tumor | 4 (3.74%) | 1 (5.00%) | 0.582 |
| Symptom and Sign | |||
| Fever | 87 (81.31%) | 15 (75.00%) | 0.544 |
| Cough | 64 (59.81%) | 15 (75.00%) | 0.221 |
| Sore throat | 1 (0.93%) | 2 (10.00%) | 0.064 |
| Diarrhea | 19 (17.76%) | 6 (30.00%) | 0.222 |
| Fatigue | 46 (42.99%) | 12 (60.00%) | 0.226 |
| Temperature | 36.72 ± 0.63 | 36.9 ± 0.9 | 0.302 |
| PR (/min) | 88.45 ± 19.05 | 89.2 ± 13.48 | 0.867 |
| RR (/min) | 20.50 ± 3.79 | 23.50 ± 5.16 | 0.003⁎ |
| HR (/min) | 88.45 ± 19.05 | 89.2 ± 13.48 | 0.867 |
| SBP | 130.57 ± 17.87 | 141.75 ± 25.34 | 0.018⁎ |
| DBP | 79.44 ± 11.56 | 83.8 ± 13.96 | 0.137 |
| MBP | 96.48 ± 12.26 | 103.12 ± 16.03 | 0.037⁎ |
| SpO2 (%) | 95.03 ± 4.25 | 85.5 ± 12.6 | 0.003⁎ |
| GCS (score) | 15 [15, 15] | 15 [15, 15] | 0.121 |
| Laboratory characteristics | |||
| White blood cell count (109/l) | 5.60 [4.49, 6.77] | 8.97 [5.63, 12.68] | 0.009⁎ |
| Red blood cell count (1012/l) | 3.90 [3.62, 4.24] | 3.91 [3.34, 4.19] | 0.569 |
| Lymphocyte count (109/l) | 1.28 [0.81, 1.65] | 0.47 [0.36, 0.92] | 0.000⁎ |
| Platelets count (109/l) | 233.36 ± 96.22 | 139.25 ± 72.85 | 0.000⁎ |
| Bilirubin (μmol/l) | 13.02 ± 9.32 | 24.33 ± 21.14 | 0.029⁎ |
| Creatinine (μmol/l) | 65.25 ± 28.47 | 100.05 ± 55.87 | 0.013⁎ |
| PaO2 (mmHg) | 108.07 ± 32.75 | 76.65 ± 34.96 | 0.000⁎ |
| FiO2 (%) | 21 [21, 29] | 29 [29, 43.25] | 0.027⁎ |
| Chest radiographic images showed pneumonia | 104 (97.20%) | 20 (100.00%) | 0.999 |
| Ventilator applying | 8 (7.48%) | 8 (40.00%) | 0.001⁎ |
| Length of hospital stay§ | 20 [10, 33.5] | 6 [3.75, 9] | 0.000⁎ |
| SOFA (score) | 1 [0, 2] | 4 [3, 5] | 0.000⁎ |
| qSOFA (score) | 0 [0, 0] | 1 [0, 1] | 0.000⁎ |
PR: pulse rate; HR: heart rate; RR: respiratory rate; SBP: systolic blood pressure; DBP: diastolic blood pressure; MAP: mean arterial pressure;SpO2: peripheral oxygen saturation; GCS: Glasgow Coma Scale; PaO2: arterial oxygen tension; FiO2: fraction of inspiration oxygen; SOFA: Sequential Organ Failure Assessment; qSOFA: Quick Sequential Organ Failure Assessment.
⁎
p < 0.05.
§
The length of hospital stay of survivors is the duration from admission to discharge, while the length of hospital stay of non-survivors is the duration from admission to death.