Variable | Non-screened population, N= 7662 | Screened population, N= 919 | P-value^{a} |
---|---|---|---|

Mean age, years (SD) | 74.3 (7.4) | 74.8 (6.5) | 0.057 |

Female, n (%) | 4186 (54.6) | 494 (53.8) | 0.61 |

Sample (N= 770^{b}) comorbidity, n (%) | |||

Hypertension | 375 (48.7) | 551 (60.0) | <0.001 |

Type 2 diabetes | 143 (18.6) | 223 (24.3) | 0.001 |

COPD | 57 (7.4) | 104 (11.3) | 0.003 |

Prior myocardial infarction | 48 (6.2) | 78 (8.5) | 0.025 |

Ischaemic stroke^{c} | 30 (3.9) | 36 (3.9) | 0.98 |

TIA | 32 (4.2) | 50 (5.4) | 0.22 |

↵

*a*P*-value on difference in non-screened and screened population.*↵

*b**Comorbidity is collected for a random 10% sample of total population.*↵

*c**Strokes were defined as either ischaemic or stroke of undefined origin. COPD = chronic obstructive pulmonary disease. SD = standard deviation. TIA = transient ischaemic attack.*