Roel Bogie

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

Prevalence of LST-G among all LSTs Author and year LST

Prevalence [95% CI]

G NG

Kudo (2015) Zhao (2014)

47

116

0.29 [0.22 , 0.36] 0.56 [0.50 , 0.62] 0.54 [0.49 , 0.58] 0.34 [0.24 , 0.46] 0.58 [0.47 , 0.69] 0.62 [0.56 , 0.67] 0.52 [0.40 , 0.64] 0.66 [0.61 , 0.70] 0.83 [0.78 , 0.87] 0.61 [0.53 , 0.68] 0.40 [0.28 , 0.54] 0.67 [0.57 , 0.76] 0.46 [0.43 , 0.48] 0.80 [0.72 , 0.87] 0.55 [0.40 , 0.68] 0.93 [0.87 , 0.96] 1.00 [0.77 , 1.00] 0.67 [0.58 , 0.76] 0.47 [0.44 , 0.51] 0.56 [0.52 , 0.61] 0.71 [0.48 , 0.89] 0.66 [0.48 , 0.81] 0.74 [0.61 , 0.85] 0.54 [0.39 , 0.69] 0.61 [0.54 , 0.68]

161 128 267 229

Miyamoto (2014)

3

Konda (2014) Urban (2013)

25 46

48 33

Kim (2013)

201 125

Nakae (2012)

36

33

Kim (2012)

324 169 211 43

Rotondano (2011)

Kim (2011) Kaku (2011) Kaji (2011) Oka (2009) Huang (2009) Chiu (2009) Urban (2008) Tantau (2008) Nosho (2008) Kudo (2008) Uraoka (2006)

96 25 68

62 37 33

622 741

89 29

22 24

128 10

14 72

0

35

332 367 287 224

Katsinelos (2006) Hiraoka (2006)

15 23 43 26

6

12 15 22

Kim (2003)

Teixeira (1996)

Total:

I 2 = 96.8%

0.00

0.75 0.50 Prevalence of LST-G 0.25

1.00

Figure 3.7: Forest plot showing prevalence estimates of granular LSTs among all LSTs. | G: granular LSTs, NG: non-granular LSTs.

57