|
Variables
|
Cases, n, (%)
|
|---|
|
Total influenza cases
|
125,470
|
|
Age, years (median)
|
5 (IQR: 2–11)
|
|
Female
|
57,055 (45.7%)
|
|
Race
|
|
White
|
49,405 (47.7%)
|
|
Black
|
20,821 (20.1%)
|
|
Hispanic
|
23,371 (22.6%)
|
|
Others
|
9907 (9.6%)
|
|
Year
|
|
2003
|
27,503 (21.9%)
|
|
2006
|
11,702 (9.3%)
|
|
2009
|
54,487 (43.4%)
|
|
2012
|
13,849 (11.0%)
|
|
2016
|
17,929 (14.3%)
|
|
Discharge quarter
|
|
Jan-Mar
|
36,903 (29.4%)
|
|
Apr-Jun
|
15,719 (12.5%)
|
|
Jul-Sep
|
10,232 (8.2%)
|
|
Oct-Dec
|
62,542 (49.9%)
|
|
CHDb
|
2174 (1.73%)
|
|
Severe CHD
|
613 (0.5%)
|
|
Non-severe CHD
|
1561 (1.2%)
|
|
Comorbid conditions
|
|
Asthma
|
34,931 (27.8%)
|
|
Congenital respiratory anomalies
|
815 (0.7%)
|
|
Congenital musculoskeletal anomalies
|
1326 (1.1%)
|
|
Chromosomal anomalies
|
2362 (1.9%)
|
|
Complications
|
|
Respiratory failure
|
6714 (5.4%)
|
|
Acute kidney injury
|
1534 (1.2%)
|
|
Invasive mechanical ventilation (IMV)
|
5791 (4.6%)
|
|
Non-invasive mechanical ventilation (NIMV)
|
1943 (1.5%)
|
|
Myocarditis
|
199 (0.2%)
|
|
Tachyarrhythmias
|
514 (0.5%)
|
|
Heart block/conduction disorders
|
312 (0.3%)
|
|
Sudden cardiac arrest
|
250 (0.2%)
|
|
ECMOa
|
211 (0.2%)
|
|
In-hospital mortality
|
687 (0.54%)
|
- aExtracorporeal membrane oxygenation
- bCHD Congenital heart disease
