No-DU (n=185) | Episodic (n=47) | Recurrent (n=341) | Chronic (n=97) | |
---|---|---|---|---|

Work impairment, scale 0–10,* n | 51 | 13 | 122 | 35 |

Mean | 17.6 | 12.3 | 33.4 | 48.3 |

Median | 10.0 | 0.0 | 30.0 | 50.0 |

95% CI of median | 0.0 to 10.0 | 0.0 to 30.0 | 20.0 to 40.0 | 40.0 to 60.0 |

Overall work impairment,^{†} n | 51 | 13 | 122 | 35 |

Mean | 19.0 | 14.1 | 35.5 | 50.6 |

Median | 10.0 | 10.0 | 30.0 | 50.0 |

95% CI of median | 0.0 to 20.0 | 0.0 to 30.0 | 20.0 to 40.0 | 40.0 to 60.0 |

Daily activity impairment, scale 0–10,* n | 178 | 45 | 333 | 96 |

Mean | 21.2 | 17.8 | 39.6 | 56.8 |

Median | 10.0 | 0.0 | 40.0 | 60.0 |

95% CI of median | 0.0 to 20.0 | 0.0 to 30.0 | 30.0 to 50.0 | 50.0 to 70.0 |

Help needed, n | 184 | 46 | 338 | 97 |

Yes, n (%) | 30 (16.3) | 7 (15.2) | 148 (43.8) | 64 (66.0) |

Hours of paid help, n | 184 | 46 | 338 | 97 |

Mean | 0.3 | 0.0 | 3.1 | 7.1 |

Hours of unpaid help, n | 184 | 46 | 338 | 97 |

Mean | 10.9 | 13.8 | 37.4 | 64.3 |

*Scale 0 (DU-associated problems had no effect) to 10 (DU-associated problems completely affected the patient's ability to carry out that type of activity) transformed into percentage.

^{†}Overall work impairment (expressed as percentage) calculated as the sum of work time missed and lost productivity at work (work time attended multiplied by work impairment percentage).DUs, digital ulcers; n, number of patients.