From: Findings in young adults at colonoscopy from a hospital service database audit
 |  | All | % | Age <50 | % | Age ≥50 | % | P-value <50 vs ≥50 |
---|---|---|---|---|---|---|---|---|
Totals |  | n = 2064 |  | n = 485 |  | n = 1579 |  |  |
Mean age | Â | 59.7 | Â | 39.2 | Â | 66.0 | Â | Â |
Median age | Â | 60 | Â | 42 | Â | 65 | Â | Â |
Age range |  | 18–96 |  | 18–49 |  | 50–96 |  |  |
Sex | Males | 984 | 47.6 | 220 | 45.4 | 764 | 48.4 | 0.13 |
Females | 1080 | 52.4 | 265 | 54.6 | 815 | 51.6 | Â | |
Indications | Â | Â | Â | Â | Â | Â | Â | Â |
 | IBD | 90 | 4.4 | 49 | 10.1 | 41 | 2.6 | <0.001 |
 | Overt bleeding | 348 | 16.8 | 108 | 22.2 | 240 | 15.2 | <0.001 |
 | Occult bleeding | 350 | 16.9 | 29 | 5.9 | 321 | 20.3 | <0.001 |
 | Pain | 227 | 11 | 77 | 15.9 | 150 | 9.5 | <0.001 |
 | Bowel habit | 194 | 9.4 | 74 | 15.3 | 120 | 7.6 | <0.001 |
 | FH CRC | 117 | 5.7 | 42 | 8.7 | 75 | 4.8 | 0.001 |
 | PH CRC | 83 | 4 | 4 | 0.8 | 79 | 5 | <0.001 |
 | PH polyps | 303 | 14.9 | 34 | 7 | 274 | 17.4 | <0.001 |
Findings | Â | Â | Â | Â | Â | Â | Â | Â |
 | Any polyps | 714 | 34.6 | 80 | 16.5 | 584 | 37 | <0.001 |
 | Serrated polyps | 205 | 9.9 | 41 | 8.5 | 164 | 10.4 | 0.21 |
 | Conventional adenomas | 523 | 25.3 | 46 | 9.5 | 477 | 30.2 | <0.001 |
 | Multiple polyps | 406 | 19.7 | 35 | 7.2 | 371 | 23.5 | <0.001 |
 | CPL | 225 | 10.9 | 21 | 4.3 | 204 | 12.9 | <0.001 |
Polyp sub-types | Â | Â | Â | Â | Â | Â | Â | Â |
 | SSA/P | 65 | 3.1 | 11 | 2.3 | 54 | 3.4 | 0.20 |
 | TSA | 1 | 0.01 | 0 | 0 | 1 | 0.06 |  |
 | TVA | 95 | 4.6 | 8 | 1.6 | 87 | 5.5 | <0.001 |
 | ATA | 76 | 3.7 | 3 | 0.6 | 73 | 4.6 | <0.001 |
 | VA | 2 | 0.01 | 0 | 0 | 2 | 0.13 |  |
Cancers | ||||||||
 | CRC | 55 | 2.7 | 5 | 1 | 50 | 3.2 | 0.01 |
 | Distal CRC Site | 28 | 49.1 | 4 | 80 | 24 | 48.1 | 0.35 |