Skip to main content

Table 1 Characteristics of the included studies

From: Covered versus uncovered self-expandable metallic stents for palliation of malignant gastric outlet obstruction: a systematic review and meta-analysis

Study author

Year

Design

Study interval (y)

Patients (n) covered/uncovered

Age (M, y) covered/uncovered

Female (n, %)

Disease diagnosis (n)

Matching

Quality score (*)

Yu Kyung Cho [5]

2004

RCT

NR

13/12

65.0§

12(48%)

GC(25)

1,2,3

*****

Jong Pil Im [6]

2008

R

2005-2006

24/18

60.7§

7(16%)

GC(26)/PC(12) /Others(13)

NR

****

Seungmin Bang [7]

2008

R

1998-2003

53/79

58.0/59.0

40(30%)

GC(109)/PC(13) /Others(12)

NR

***

Iruru Maetani [12]

2009

R

1998-2006

29/31

70.6/72.2

27(45%)

GC(28)/PC(20)/ Others(12)

1,2,3,4,5

*****

Kee Myung Lee [13]

2009

P

1998-2007

70/84

67.2/63.3

48(31%)

GC(122)/PC(19) /Others(13)

1,2,3,5

*****

Chan Gyoo Kim [14]

2010

RCT

2003-2007

40/40

58.0/57.0

17(21%)

GC(80)

1,2,3,4,5

******

Chan Ik Park [15]

2012

R

2006-2011

96/128

64.0/65.0

15(17%)

GC(224)

1,2,5

*****

Iruru Maetani [16]

2013

RCT

2007-2010

31/31

69.4/68.1

32(52%)

GC(27)/PC(26) /Others(9)

1,2,3,4,5

******

Sang Myung Woo [17]

2013

R

2003-2010

24/46

62.0/61.0

30(43%)

PC(46) /Others(24)

1,2,3,4,5

*****

  1. R, retrospective; P, prospective; RCT, randomized control trial; NR, not reported.
  2. §, mean age of all patients; (*), star rating (max 9).
  3. Matching: 1, age; 2, sex; 3, diagnosis; 4, site of obstruction; 5, previous treatment.
  4. GC, gastric cancer; PC, pancreatic cancer.
  5. Others, including gallbladder cancer, bile duct cancer, ampullary cancer, duodenal cancer and metastasis.