Characteristic | Patients with colorectal cancer, n= 542 | Controls, n= 2139 |
---|---|---|
Median age at diagnosis, years (range) | 72 (30–94) | 72 (30–94) |
<50 years, n (%) | 31 (5.7) | 116 (5.4) |
50–59 years, n (%) | 52 (9.6) | 210 (9.8) |
<60 years, n (%) | 83 (15.3) | 326 (15.2) |
60–80 years, n (%) | 347 (64.0) | 1378 (64.4) |
>80 years, n (%) | 112 (20.7) | 435 (20.3) |
Stage I, n (%) | 118 (21.8) | — |
Stage II, n (%) | 223 (41.1) | — |
Stage III, n (%) | 201 (37.1) | — |
Median number of consultations per patient in year before cancer diagnosis, n (IQR) | 5 (3–8) | 4 (2–7) |
Median number of unique diagnostic codes per patient in year before cancer diagnosis, n (IQR) | 6 (4–10) | 5 (3–8) |
IQR = interquartile range.