Geographic region of residency in the Netherlands |
Central (Gelderse Vallei) | 257 (66.6) |
South (Oostelijke Mijnstreek) | 129 (33.4) |
Median age, years (range) | 60 (18–91) |
Women | 211 (54.7) |
Presenting symptoms |
Rectal blood loss | 141 (37.7) |
Abdominal pain | 267 (70.6) |
Median duration of abdominal pain (range) | 150 days (1 day to 30 years) |
Persistent diarrhoea | 40 (16.9) |
Diarrhoea | 131 (37.2) |
Fever | 40 (11.0) |
Weight loss | 62 (17.1) |
Bloating | 195 (53.6) |
Constipation | 169 (46.6) |
Physical examination |
Pain at palpation | 117 (46.8) |
Palpable abdominal mass | 12 (3.0) |
Palpable rectal mass | 1 (0.3) |