Table 1

Results from analysis of family histories of patients from one consultant surgeon’s practice

Number %
Full family history479
Male26154
Female21846
Mean age (years)69
 Range 28–94
Number of first degree relatives with colorectal cancer
 None38480
 One8017
 Two102.5
Patients with early onset cancer (< 50 years), no family history (mean age 43 years)153
Patients with FAP10.2
Patients from families meeting the Amsterdam criteria40.8