Roel Bogie

Endoscopic subtypes of colorectal laterally spreading tumors and risk of submucosal invasion: A meta-analysis

Prevalance of HGD in LSTs Author and year x

Prevalence [95% CI]

n

Kudo (2015) Zhao (2014)

51 86

149 211

34.2 [ 26.7 , 42.4] 40.8 [34.1 , 47.7] 53.0 [48.5 , 57.5] 58.1 [46.1 , 69.5] 23.8 [18.9 , 29.2] 37.7 [26.3 , 50.2] 33.8 [27.6 , 40.4] 23.4 [16.7 , 31.3] 27.4 [16.9 , 40.2] 33.7 [24.6 , 43.8] 49.4 [43.9 , 54.9] 29.7 [21.4 , 39.1] 20.8 [10.8 , 34.1] 51.5 [42.8 , 60.1] 35.7 [12.8 , 64.9] 14.0 [5.3 , 27.9] 42.9 [21.8 , 66.0] 50.0 [40.1 , 59.9] 6.2 [0.2 , 30.2] 32.8 [21.0 , 46.3] 18.2 [2.3 , 51.8] 81.2 [67.4 , 91.1] 44.4 [13.7 , 78.8] 36.7 [30.3 , 43.2]

Miyamoto (2014)

263 496

Urban (2013)

43 67 26 76 33 17 34 33 11 70

74

3

Kim (2013)

282

Nakae (2012)

69

Rotondano (2011)

225 141

Kim (2011) Kaku (2011) Kaji (2011)

62

101

Matsuda (2010) Huang (2009) Chiu (2009) Urban (2008) Tantau (2008)

164 332

111

53

136

5

14 43 21 16 58 11 48

Parra-Blanco (2006) 6

Katsinelos (2006)

9

Su (2005)

53

106

O'Brian (2004) Kim (2003) Tsuda (2002) Teixeira (1996) Jaramillo (1995)

1

19

2

39

4

9

Total:

I 2 = 91.9%

0

75 50 Prevalence (%) 25

100

Figure 3.8b: Forest plots showing prevalence estimates. High grade dysplasia in LSTs. | x, number of LSTs with high grade dysplasia; n, total number of LSTs.

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