Source | SS | df |
F
| P value |

Diagnostic | 4.30 | 1 | 4.248 | 0.0399 |

Level | 92.02 | 2 | 45.434 | <2e-16 |

Diagnostic*Level | 1.97 | 2 | 0.974 | 0.378 |

Residual | 478.00 | 472 |

The response variable is a binary measure of positive versus negative appendicectomy results. The model is a generalized linear model with binomial response errors. Tests are type II sums of squares.

AIR, Appendicitis Inflammatory Response.