Characteristic | Intensive care unit or deaths | Non-intensive care unit survivors | P-Value* |
---|---|---|---|
No. (%) (n = 38) | No. (%) (n = 99) | ||
Median days from onset to admission (range) | 2 (0 – 15) | 2 (0 – 20) | 0.52 |
Admission within 2 days of illness onset | 20 (53) | 54 (55) | 0.80 |
Median length of stay- days (range) | 6 (0 – 47) | 2 (1 – 10) | <0.01 |
Age 2–17 years old | 12/38 (32) | 42/99 (42) | 0.24 |
Underlying medical condition excluding asthma | 20 (53) | 44 (44) | 0.39 |
Pregnancy | 3 (8) | 5 (5) | 0.83 |
Current smoker | 7 (22) | 16 (18) | 0.82 |
Obese or morbidly obese† | 8/29 (28) | 21/69 (30) | 0.29 |
Tachypnea | 23/38 (61) | 37/99 (37) | <0.01 |
Tachycardia | 28/38 (74) | 60/99 (60) | 0.12 |
Mechanical ventilation | 16/38 (42) | 0/99 (0) | <0.01 |
Acute respiratory distress syndrome | 9/38 (24) | 0/99 (0) | <0.01 |
Sepsis syndrome | 6/38 (16) | 0/99 (0) | <0.01 |
Pneumonia at admission | 22/37 (60) | 23/86 (27) | <0.01 |
Seasonal flu vaccination | 8/25 (32) | 23/29 (39) | 0.45 |
Influenza antiviral agent receipt | |||
Any during hospitalization | 32/38 (84) | 68/99 (69) | 0.07 |
≤2 days of illness onset | 13/32 (41) | 36/66 (55) | 0.14 |
≤2 days of admission | 22/30 (73) | 57/62 (92) | 0.02 |
Median days from illness onset to antiviral initiation (range) | 3 (0 – 15) | 2 (0 – 15) | 0.15 |
Other treatment | |||
Antibiotics | 35/38 (92) | 64/99 (65) | <0.01 |
Steroids | 25/38 (66) | 58/99 (59) | 0.45 |