Table 1.
Sources of cases, exposure and covariate information per country.
Figure 1.
Flowchart of case inclusion.
Figure 2.
Inclusion of GBS cases (DK, FI, FR, NL, NO, SE, UK), influenza A(H1N1)pdm09 immunization period (influenza A(H1N1)vac), and percentage of flu positive cases among all tested per country (Flu pos. DK, …, Flu pos. UK; Source: ECDC 2011) over total study period.
Figure 3.
Inclusion of vaccinated cases (% of population) over study period.
Table 2.
Characteristics of Guillain-Barré syndrome cases.
Table 3.
Guillain-Barré syndrome occurrence during follow-up and during the 6-week (42 days) risk periods following influenza A(H1N1)pdm09 vaccination and infection.
Table 4.
Relative incidence estimates for the association between infections, influenza A(H1N1)pdm09 vaccination, seasonal influenza vaccination and Guillain-Barré syndrome.
Table 5.
Stratified analyses for association between influenza A(H1N1)pdm09 vaccination and Guillain-Barré Syndrome.