Table 3.
Correlation between five influenza surveillance systems and media attention, 31-8-2009 – 3-1-2010*
| |
Number of newspaper articles |
Number of television broadcasts |
||
|---|---|---|---|---|
| Spearman correlation coefficient | P-value | Spearman correlation coefficient | P-value | |
| ILI consultation rates, sentinel GPs/10,000 enrolled patients |
0.74 |
<0.001 |
0.68 |
0.002 |
| Number of hospital admissions/10,000 inhabitants |
0.74 |
<0.001 |
0.80 |
<0.001 |
| ILI incidence, GIS/10,000 participants |
0.49 |
0.038 |
0.59 |
0.010 |
| Estimated ILI incidence, GFT/10,000 inhabitants |
0.62 |
0.006 |
0.61 |
0.007 |
| Number of influenza virus detections | 0.79 | <0.001 | 0.79 | <0.001 |
ILI influenza-like illness, GIS Great Influenza Survey, GP general practitioner, GFT Google Flu Trends.
*Spearman rank correlation coefficients were determined for the period in which media attention coincided with trends of the ILI/influenza surveillance systems (31-8-2009 through 3-1-2010).