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Table 3 Cross-correlations between the model residuals of the Emergency Department influenza time series and the laboratory influenza time series by year, 2001 to 2005

From: Potential for early warning of viral influenza activity in the community by monitoring clinical diagnoses of influenza in hospital emergency departments

Year

The highest and statistically significant correlation coefficient

P value

Lag of highest correlation (days)

2001

0.12

0.02

-11

2002

0.14

0.01

-18

2003

0.12

0.03

-4

2004

0.12

0.03

-3

2005

0.11

0.02

-4

2001 to 2005

0.06

0.01

-3