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Table 1 Characteristics of the studies used for the systematic review

From: Embolization for acute nonvariceal bleeding of upper and lower gastrointestinal tract: a systematic review

First author, year

Number of patients

Gastrointestinal bleeding location (Upper/Lower)

Type of Study design

Aina et al., 2001 (2001)

29

Upper

retrospective

Arrayeh et al., 2012 (2012)

56

Upper

retrospective

Defreyne et al., 2001 (2001)

6

Upper and lower

retrospective

Dempsey et al., 1990 (1990)

39

Upper

retrospective

Dixon et al., 2013 (2013)

20

Upper

retrospective

Encarnacion et al., 1992 (1992)

29

Upper

retrospective

Heianna et al., 2014 (2014)

6

Lower

retrospective

Holme et al., 2005 (2006)

28

Upper

prospective

Ichiro et al., 2011 (2011)

36

Upper

retrospective

Kaminskis et al., 2019 (2018)

58

Upper

prospective

Katano et al., 2012 (2012)

2

Upper

retrospective

Kim et al., 2009 (2009)

75

Upper and lower

retrospective

Lang et al., 1992 (1992)

7

Upper

case series

Lau et al., 2019 (2019)

96

Upper

randomized controlled trial

Laursen et al., 2014 (2014)

49

Upper

randomized controlled trial

Lee et al., 2012 (2012)

10

Upper and lower

retrospective

Ljungdahl et al., 2002 (2002)

4

Upper

retrospective

Mille et al., 2015 (2015)

75

Upper

retrospective

Morris et al., 1986 (1986)

9

Upper

case series

Muhammad et al., 2019 (2019)

32

Upper and lower

retrospective

Padia et al., 2009 (2009)

72

Upper

retrospective

Peynircioglu et al., 2011 (2011)

42

Upper and lower

retrospective

Poultisides et al., 2008 (2008)

22

Upper

retrospective

Schenker et al., 2001 (2001)

103

Upper

retrospective

Shi et al., 2017 (2017)

5

Upper and lower

prospective

Sildiroglu et al., 2014 (2014)

18

Upper

retrospective

Song et al., 2011 (2011)

6

Upper

case series

Spiliopoulos et al., 2018 (2018)

10

Upper

retrospective

Tandberg et al., 2012 (2012)

25

Upper and lower

retrospective

Toyoda et al., 1995 (1995)

5

Upper

retrospective

Yap et al., 2013 (2013)

38

Upper and lower

retrospective

Yata et al., 2013 (2013)

7

Upper and lower

retrospective