Characteristic | Participants completing study (n=142) | Participants not completing study (n=12) |

Control group | n=69 (48.6%) | n=8 (66.6%) |

Mean age (SD) (years) | 66.2 (11.1) | 67.5 (11.2) |

Male | n=77 (54.2%) | n=6 (50.0%) |

Histology of lesion | ||

BCC | n=107 (75.4%) | n=10 (83.3%) |

SCC | n=15 (10.6%) | n=1 (8.3%) |

IEC | n=19 (13.4%) | n=1 (8.3%) |

Dysplastic naevus | n=1 (0.7%) | n=0 |

Body site of lesion | ||

Nose | n=100 (70.4%) | n=8 (66.7%) |

Ear | n=42 (29.6%) | n=4 (33.3%) |

Smoker | n=10 (7.0%) | n=3 (25.0%) |

Diabetes mellitus | n=16 (11.3%) | n=2 (16.7%) |

User of anticoagulant medication | n=36 (25.4%) | n=2 (16.7%) |

User of immunosuppressive medication | n=2 (1.4%) | n=0 |

Median time to surgery (IQR) (min) | 50 (45–55) | 45 (36.25–50) |