| | Variable | H7N9 patients () |
| | Demographics | | | Age, median (IQR) (years) | 53 (44-64.8) | | Sex, male (%) | 16 (53.3) | | Contact history with poultry, no. (%) | 30 (100) | | Clinical signs or symptoms | | | Fever, no. (%) | 30 (100) | | Body temperature, median (IQR) (°C) | 40 (38.5-40) | | Intolerance of cold, no. (%) | 10 (33.3) | | Dizziness, no. (%) | 5 (16.7) | | Headache, no. (%) | 2 (6.7) | | Muscle ache, no. (%) | 5 (16.7) | | Weakness, no. (%) | 9 (30) | | Cough, no. (%) | 27 (90) | | Sputum, no. (%) | 25 (83.3) | | Chest distress, no. (%) | 19 (63.3) | | Hemoptysis, no. (%) | 3 (10) | | Diarrhea, no. (%) | 8 (26.7) | | Nausea or vomiting, no. (%) | 7 (23.3) | | Underlying disease/condition | | | Hypertension, no. (%) | 10 (33.3) | | Diabetes mellitus, no. (%) | 3 (10) | | COPD, no. (%) | 1 (3.3) | | Coronary heart disease, no. (%) | 1 (3.3) | | Malignancy, no. (%) | 3 (10) | | Chronic kidney disease, no. (%) | 1 (3.3) | | Chronic liver disease, no. (%) | 2 (6.7) | | Hematological disorder, no. (%) | 1 (3.3) | | Autoimmune disorder, no. (%) | 1 (3.3) |
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