Blood group | n | Ratio (%) of children with ETEC diarrhea/children with indicated phenotype^{a} | P^{b} | |
---|---|---|---|---|

Le(a−b+) | Le(a+b−) | |||

A | 32 | 9/21 (43) | 9/11 (82) | 0.061 |

B | 43 | 16/32 (50) | 8/11 (73) | 0.294 |

O | 53 | 22/38 (58) | 11/15 (73) | 0.359 |

AB | 15 | 10/11 (91) | 2/4 (50) | 0.154 |

Total | 143 | 57/102 (56) | 30/41 (73) | 0.084 |

↵

*a*A total of 143/179 children with Le(a−b+) and Le(a+b−) blood groups had ETEC infections; we excluded 24 Le(a−b−) and 12 non-ETEC-infected children from this analysis.↵

*b*Statistical analysis was done for the relationship between children with the Le(a−b+) phenotype and children with the Le(a+b−) phenotype.