Roel Bogie

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

Prevalence of LSTs in relation with location Author and year

Proximal location [95% CI]

Katano (2017) Yamada (2016) Kudo (2015) Zhao (2014) Konda (2014) Yoon (2013) Urban (2013)

48.6 [38.7 , 58.5] 46.7 [43.3 , 50.2] 51.5 [43.6 , 59.4] 36.8 [30.7 , 43.4] 52.1 [40.0 , 63.9] 37.6 [28.2 , 47.8] 55.7 [44.1 , 66.9] 61.0 [55.5 , 66.4] 46.6 [38.7 , 54.6] 43.5 [31.6 , 56.0] 54.6 [50.2 , 59.0] 60.6 [54.3 , 66.7] 55.7 [47.6 , 63.6] 79.0 [66.8 , 88.3] 57.4 [47.2 , 67.2] 59.3 [45.0 , 72.4] 24.3 [16.7 , 33.4] 77.4 [63.8 , 87.7] 48.6 [40.0 , 57.2] 14.3 [1.8 , 42.8] 65.4 [55.6 , 74.4] 74.4 [65.5 , 82.0] 56.6 [52.1 , 60.9] 33.3 [14.6 , 57.0] 29.3 [18.1 , 42.7] 55.6 [49.3 , 61.8] 51.7 [47.1 , 56.3]

3

Kim (2013)

Kakugawa (2013)

Nakae (2012)

Kim (2012)

Rotondano (2011)

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

Sugimoto (2010)

Huang (2009) Chiu (2009) Urban (2008) Tantau (2008) Nosho (2008)

Kaltenback (2007)

Uraoka (2006)

Katsinelos (2006)

Kim (2003) Saito (2001)

Total:

I 2 = 89.7%

75 50 LSTs in proximal colon (%) 25 0

100

Figure 3.6a: Comparison of LSTs located in the proximal and distal colon. | Forest plot showing prevalence estimates for LSTs located in the proximal colon.

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