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Table 2 Demographics of individuals with serrated polyps according to Swedish histopathology reports

From: Validation of serrated polyps (SPs) in Swedish pathology registers

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%)

  1. 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