Table 5. Poisson regression of Guillain-Barré (GBS) syndrome admissions against infection reports, England, 1993–2002: varying seasonal adjustment*†.
| Pathogen | All ages | <35 y | 35–64 y | >65 y |
|---|---|---|---|---|
| Campylobacter | – | – | – | – |
| Influenza | 0,1 | – | R1,0,1,2 | R1,0,1 |
| A | 0,1 | – | – | R1,0,1 |
| B | – | – | – | – |
| Mycoplasma pneumoniae | – | R4,R3; R1,0 | – | – |
| Haemophilus. influenzae non-B | – | – | – | – |
| H. influenzae B | – | – | – | – |
| Cytomegalovirus | – | – | – | – |
| Epstein-Barr virus | – | – | – | – |
*Significant lags consistently found in clusters with all forms of seasonal adjustment (3, 6, and 12 harmonics and month indicators); regression models are additional adjusted for yearly trend and public holidays. †Only clusters of lags significant at the 0.05 level of precision are presented. Numbers indicate the lag number in weeks; lag numbers preceded by R represent lags of n weeks following the week of admission for GBS. Lags in boldface are significant at the 0.01 level of precision.