Admissions per year | p Value* | ||

One (n = 39) | Two or more (n = 17) | ||

Mean age (SD) | 72 (13) | 72 (12) | 0.94 |

Mean FEV_{1} (l) (SD) | 1.19 (0.66) | 0.91 (0.26) | 0.036 |

Mean FEV_{1}/FVC% (SD) | 59.3 (17) | 52.1 (16.8) | 0.42 |

Male, n (%) | 16 (42.1) | 11 (64.7) | 0.12 |

Active/ex-smoker, n (%) | 29 (76.3) | 11 (64.7) | 0.51 |

Inhaled corticosteroids, n (%) | 23 (60.5) | 16 (94.1) | 0.012 |

Previous pseudomonas, n (%) | 11 (28.7) | 6 (35.3) | 0.63 |

Bilateral bronchiectasis on CT, n (%) | 22 (57.9) | 13 (76.9) | 0.18 |

Emphysema on CT, n (%) | 12 (31.6) | 6 (35.3) | 0.79 |

*t Test for means and χ

^{2}for proportions. CT, computed tomography.