Table 2.
Daily counts of emergency department (ED) visits and disease notifications: measures of central tendency and variation1
| Median | Mean | Standard deviation | Range | Inter-quartile range | |
|---|---|---|---|---|---|
|
Cough ED visits |
26 |
26.9 |
11.7 |
77.0 |
15.0 |
|
Pertussis notifications |
5 |
8.4 |
10.0 |
54.0 |
11.0 |
|
Influenza notifications |
2 |
12.1 |
40.6 |
416.0 |
6.0 |
| Bronchiolitis ED visits | 20 | 22.0 | 12.2 | 68.0 | 18.0 |
1. Data sources: ED data were obtained from the New South Wales Emergency Department Data Collection. Disease notifications data were obtained from the New South Wales Notifiable Conditions Information Management System. Study period: 1 January 2007–31 December 2010. Study population: New South Wales children aged under 10 years.