Table 1.
Patients’ demographic data
| Characteristic | Cases | Cancer controls | Healthy controls |
|---|---|---|---|
| Primary site, n (%) | |||
| Breast | 80 (49) | 76 (50) | 71 (49) |
| Colorectal | 46 (28) | 42 (28) | 40 (28) |
| Prostate | 36 (22) | 34 (22) | 34 (23) |
|
| |||
| Sex,an (%) | |||
| Male | 31 (67) | 29 (69) | 27 (67) |
| Female | 15 (33) | 13 (31) | 13 (33) |
|
| |||
| Years between primary diagnosis and index date, median (IQR) | 3.2 (1.6–6.1) | 5.1 (2.2–9.3) | n/a |
|
| |||
| Age in years at diagnosis of metastatic cancer, median (IQR) | 75 (65–82) | n/a | n/a |
|
| |||
| Age in years at diagnosis of primary cancer, median (IQR) | 70 (60–78) | 68 (58–74) | n/a |
a
Colorectal cancer only. IQR = interquartile range.