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Table 2 Clinical features, diagnosis and management of 30 confirmed H7N9 cases in Hangzhou

From: Epidemiologic characterization of 30 confirmed cases of human infection with avian influenza A(H7N9) virus in Hangzhou, China

Variable Confirmed case (N = 30)
Underlying disease/(N,%) 21 (70.00)
Symptom severity/(N,%)  
Mild 14 (46.67)
Moderate 12 (40.00)
Severe 4 (13.33)
Use of artificial liver/(N,%) 7 (23.33)
Use of artificial lung/(N,%) 5 (16.67)
Use of dialysis/(N,%) 9 (30.00)
Outcome/(N,%)  
Discharged 5 (16.67)
Improved 3 (10.00)
Stabilized 17 (56.67)
Aggravated 1 (3.33)
Died 3 (10.00)
Unknown 1 (3.33)
Duration between disease onset and  
First hospital visit/median (range, days) 1 (0–19)
First hospitalization/median (range, days) 4 (0–19)
Transfer to provincial-level hospital/median (range, days) 5 (3–21)
Occurrence of respiratory failure/median (range, days) 5 (3–11)
Confirmed diagnosis/median (range, days) 6 (4–21)