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Demographic characteristics (age and gender) of participants
| Case groups |
|||||
|---|---|---|---|---|---|
| Controls | All cases | IHD | COPD | Asthma | |
| N | 2368 | 592 | 194 | 182 | 216 |
| Age, mean (SD) | 58.7 (18.03) | 58.8 (18.13) | 68.5 (12.95) | 63.3 (15.30) | 46.2 (17.20) |
| Female, n (%) | 1284 (54) | 321 (54) | 79 (41) | 106 (58) | 136 (63) |
Three patients were in multiple case groups. These were put in most ‘severe’ category (in order IHD, COPD, asthma).
COPD, chronic obstructive airways disease; IHD, ischaemic heart disease.
