Odds of having IgM serum antibodies against GMI, GM2, GD1a, GD1b, and GT1b gangliosides in Guillain-Barré Syndrome cases and patient-controls for all cases and controls, for patients reporting diarrhea, and for patients excreting <i>Campylobacter</i>, the Arab Republic of Egypt, April 2001 through

aConditional logistic regression controlling for age, gender, ownership of farm animals, and ownership of luxury items. bUnconditional logistic regression controlling for age, gender, livestock ownership, and possession of luxury items. cUnconditional logistic regression controlling for possession of luxury items. Other variable were excluded because of sparse data. dOdds Ratio (95% CI). e<.0001. fP = 0.047. gP = .004. hP = 0.04. iP = 0.006. jP = .007.