SIF (n = 94) | Age (years) | 43 ± 11 |

Height (cm) | 178 ± 8.3 | |

Weight (kg) | 77 ± 12.4 | |

Sex | ||

Male, n (%) | 80 (85) | |

Female, n (%) | 14 (15) | |

Race | ||

Caucasian, n (%) | 62 (66) | |

Black, n (%) | 2 (2) | |

First Nations, n (%) | 30 (32) | |

Drug injected | ||

Fentanyl, n (%) | 17 (19) | |

Heroin, n (%) | 64 (68) | |

Morphine, n (%) | 12 (12) | |

Hydromorphone, n (%) | 1 (1) | |

OR (n = 20) | ||

Age (years) | 33 ± 10.8 | |

Height (cm) | 174 ± 9 | |

Weight (kg) | 75 ± 14.6 | |

Sex | ||

Male, n (%) | 8 (40) | |

Female, n (%) | 12 (60) | |

Race | ||

Caucasian, n (%) | 16 (80) | |

African American, n (%) | 2 (10) | |

Asian, n (%) | 1 (5) | |

Pacific Islander, n (%) | 1 (5) |