Table 2.
Demographics of individuals with serrated polyps according to Swedish histopathology reports
| Variable | HP | TSA | SSA/P | U | F | Total | |||
|---|---|---|---|---|---|---|---|---|---|
| SSA/P | SA | Mixed | Total | ||||||
| INDIVIDUALS | 34 (32%) | 3 (3%) | 8 (8%) | 51 (48%) | 12 (11%) | 70 (66%) | 3 (3%) | 5 (5%) | 106 (100%) |
| Year of diagnosis | |||||||||
| Min | 1989 | 2015 | 2011 | 2002 | 2008 | 2002 | 2005 | 1991 | 1989 |
| Median | 2003 | 2015 | 2014 | 2013 | 2014 | 2014 | 2008 | 2007 | 2012 |
| Max | 2016 | 2016 | 2016 | 2015 | 2015 | 2016 | 2014 | 2014 | 2016 |
| Age | |||||||||
| Min | 39 | 52 | 59 | 41 | 53 | 41 | 62 | 35 | 35 |
| Median | 68 | 58 | 64 | 74 | 74 | 74 | 65 | 73 | 70 |
| Max | 82 | 66 | 78 | 93 | 85 | 93 | 70 | 87 | 93 |
| Sex | |||||||||
| Female | 15 (44%) | 0 (0%) | 5 (63%) | 26 (51%) | 5 (42%) | 35 (50%) | 3 (100%) | 1 (20%) | 50 (47%) |
| Detection procedure | |||||||||
| Colonoscopy | 28 (82%) | 2 (67%) | 7 (88%) | 40 (78%) | 10 (83%) | 57 (87%) | 3 (100%) | 5 (100%) | 86 (81%) |
| Partial lower endoscopy* | 5 (15%) | 1 (33%) | 0 (0%) | 9 (18%) | 0 (0%) | 9 (0%) | 0 (0%) | 0 (0%) | 15 (14%) |
| Colectomy | 1 (3%) | 0 (0%) | 1 (13%) | 2 (4%) | 2 (17%) | 4 (13%) | 0 (0%) | 0 (0%) | 5 (5%) |
Abbreviations: F = False positive serrated polyp; HP = Hyperplastic polyp; SA = Serrated adenoma; SSA/P = Sessile serrated adenoma/polyp; TSA = Traditional serrated adenoma; U = Unspecified serrated polyp. *Sigmoidoscopy, rectoscopy or proctoscopy