Study | Intervention | Adequate Methods? | |
---|---|---|---|

Case Definition | Double-Blinding | ||

Danielsson^{50} | Simethicone | X | |

Sethi^{51} | Simethicone | X | |

Metcalf^{12} | Simethicone | X | X |

Illingworth^{53} | Dicyclomine | ||

Grunseit^{54} | Dicyclomine | X | |

Weissbluth^{52} | Dicyclomine | X | |

Illingworth^{49} | Scopolamine | ||

Evans^{57} | Dairy elimination | X | |

Hill^{58} | Hypoallergenic diet | X | |

Forsyth^{59} | Hypoallergenic formula | X | |

Campbell^{56} | Soy formula | X | |

Lothe^{60} | Soy formula | ||

Stahlberg^{62} | Lactase | X | |

Miller^{61} | Lactase | X | |

Treem^{55} | Fiber enrichment | X | X |

Barr^{64} | Increased carrying | ||

Parkin^{9} | Increased carrying Car ride simulator | X | |

Dihigo^{63} | Parent training | ||

McKenzie^{11} | Decreased stimulation | ||

Weizman^{65} | Herbal tea | X | X |

Markestad^{10} | Sucrose | X | X |

Barr^{66} | Sucrose | X | X |

* All of the included trials were adequately randomized. Inadequate case definitions and study methods are discussed in the text.