Table 1 Distribution of adenomas and non-adenomatous polyps in 307 asymptomatic adults
Polyp size
<6 mm6–9 mm>9 mmAll
Rectum
    Adenomatous54514
    Non-adenomatous846191
Sigmoid colon
    Adenomatous33161564
    Non-adenomatous781079
Descending colon
    Adenomatous246434
    Non-adenomatous262028
Transverse colon
    Adenomatous224430
    Non-adenomatous363140
Ascending colon
    Adenomatous419252
    Non-adenomatous232126
Caecum
    Adenomatous222327
    Non-adenomatous241126
All segments
    Adenomatous1474133221
    Non-adenomatous271154290